diff --git a/swing/resources-src/datafiles/components-openrocket/Estes-legacy.orc b/swing/resources-src/datafiles/components-openrocket/Estes-legacy.orc
index f5f987563..bafec2db9 100644
--- a/swing/resources-src/datafiles/components-openrocket/Estes-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/Estes-legacy.orc
@@ -3,802 +3,802 @@
     <Version>0.1</Version>
     <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name></Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>.060 Carbon Fiber</Name>
             <Density>1400.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>.125 in Fiberglass/Honeycomb</Name>
             <Density>461.33174592000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>.25 in Fiberglass/Honeycomb</Name>
             <Density>235.47141198</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1 in. Flat Elastic</Name>
             <Density>0.015514109144</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1 in. Tubular Nylon</Name>
             <Density>0.044644918400000004</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1.1 Ounce Rip Stop Nylon</Name>
             <Density>0.05983056264534001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.1 oz. Rip Stop Nylon</Name>
             <Density>0.037350571446</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.3 oz. Ripstop Nylon (SkyAngle)</Name>
             <Density>0.04407367430628</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.7 oz. Ripstop Nylon</Name>
             <Density>0.057638523018492004</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.9 oz. Ripstop Nylon</Name>
             <Density>0.06441875028216</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.9 oz. Ripstop Nylon (PML)</Name>
             <Density>0.08788369752</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.9 oz. Ripstop Nylon (SkyAngle)</Name>
             <Density>0.06441875028216</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/16 in. Aircraft Plywood</Name>
             <Density>361.3765253</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/16 in. Braided Nylon</Name>
             <Density>0.00102</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/16 in. Round Elastic</Name>
             <Density>0.00183</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/2 in. Flat Elastic</Name>
             <Density>0.003125144288</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/2 in. Tubular Kevlar</Name>
             <Density>0.044644918400000004</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/2 in. Tubular Nylon</Name>
             <Density>0.060870160920000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/32 in. Kevlar</Name>
             <Density>6.590000000000001E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/4 Aircraft Plywood</Name>
             <Density>344.269</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/4 In. Flat Elastic</Name>
             <Density>0.00402</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/4 in. Aircraft Plywood</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/4 in. Braided Nylon</Name>
             <Density>0.06535533067200001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/4 in. Tubular Kevlar</Name>
             <Density>0.022322459200000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 Aircraft Plywood</Name>
             <Density>337.541</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 in Birch Plywood (Revell)</Name>
             <Density>640.7385360000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 in. Aircraft Plywood</Name>
             <Density>672.7754628</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 in. Braided Nylon</Name>
             <Density>0.03267766533600001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 in. Flat Elastic</Name>
             <Density>0.00205</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 in. Flat Rubber</Name>
             <Density>0.00231</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 in. Tubular Kevlar</Name>
             <Density>0.011161229600000001</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>100 lb Kevlar (Apogee 29505)</Name>
             <Density>0.006359329969800001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>100 lb. Kevlar</Name>
             <Density>0.032837849970000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>100lb Kevlar (Apogee 29505)</Name>
             <Density>0.006359329969800001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1500 lb. Kevlar</Name>
             <Density>0.0959105496075</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1500lb Kevlar (Apogee 29507)</Name>
             <Density>0.0959105496075</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>260 lb. Elastic</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/16 Aircraft Plywood</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/16 in. Aircraft Plywood</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>3/4 in. Flat Elastic</Name>
             <Density>0.01227735256</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/8 in. Flat Elastic</Name>
             <Density>0.060870160920000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>3/8 in. Tubular Nylon</Name>
             <Density>0.018602086537432</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>3/8 in. Tubular Nylon (SkyAngle)</Name>
             <Density>0.018602086537432</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/8 inch Flat Elastic</Name>
             <Density>0.060870160920000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/8 tubular nylon (SkyAngle)</Name>
             <Density>2.9797705801314</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>30 Lb. Kevlar</Name>
             <Density>1.78E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>300 lb. Kevlar</Name>
             <Density>0.01807843779324</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>300 lb. Kevlar (Apogee 29506)</Name>
             <Density>0.01807843779324</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>300lb Kevlar (Apogee 29506)</Name>
             <Density>0.01807843779324</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>4000 lb. nylon</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>5/64 in. Round Elastic</Name>
             <Density>0.0024200000000000003</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>5/8 in. Tubular Nylon</Name>
             <Density>0.022322459200000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>5/8 in. Tubular Nylon (SkyAngle)</Name>
             <Density>0.022322459200000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>6000 lb. nylon</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>6oz &amp; 2oz FG &amp; Poster board</Name>
             <Density>798.85</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>7/16 in. Flat Braided Kevlar</Name>
             <Density>0.0502255332</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>70 Lb. Kevlar</Name>
             <Density>3.3E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>750 Lb. Kevlar</Name>
             <Density>0.0030135319920000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>9/16 in. Tubular Nylon</Name>
             <Density>0.0167418444</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Acrylic (Cast)</Name>
             <Density>1185.3662916</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aircraft plywood (Birch)</Name>
             <Density>724.9956534840001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aircraft plywood (LOC)</Name>
             <Density>724.9956534840001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum</Name>
             <Density>2698.9</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum (Al)</Name>
             <Density>2698.9</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum 2024</Name>
             <Density>2780.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum 7075</Name>
             <Density>2810.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Ash</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Basswood</Name>
             <Density>424.48928010000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Beech</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Birch</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Birch Plywood (Revell)</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Blue Tube</Name>
             <Density>1237.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Blue Tube 2</Name>
             <Density>1250.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Brass</Name>
             <Density>8553.8594556</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Carbon Fiber</Name>
             <Density>1400.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cardboard</Name>
             <Density>688.7939262000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>Carpet String</Name>
             <Density>3.2972000000000003E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>Carpet String (Apogee 29500)</Name>
             <Density>3.2972000000000003E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cellulose Acetate Propionate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Chalk (Fine)</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Composite Fin Material</Name>
             <Density>634.3311506400001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Copper (cast)</Name>
             <Density>8682.0071628</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Copper (rolled)</Name>
             <Density>8906.2656504</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cork (Solid)</Name>
             <Density>240.27695100000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cottonwood</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Custom</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Dyna-Wind Tubing</Name>
             <Density>1210.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiber</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiberglass</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fir (Douglas)</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fir (White)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.062)</Name>
             <Density>3.137448001464</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 (PML 0.062)</Name>
             <Density>0.07059977558916</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.093)</Name>
             <Density>5.022553313268</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.125)</Name>
             <Density>6.169435565904</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass</Name>
             <Density>2175.3073297200003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass (LOC)</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass Filament Wound</Name>
             <Density>1934.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass Filament Wound Tube</Name>
             <Density>1820.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Phenolic</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G12 Fiberglass</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Glassed Phenolic</Name>
             <Density>1900.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Gold (24 kt.)</Name>
             <Density>19286.229933600003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>Kevlar Thread (Apogee 29502)</Name>
             <Density>8.858E-5</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Kraft phenolic</Name>
             <Density>943.4874942600001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Kraft phenolic (Glassed)</Name>
             <Density>1153.329336</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead (cast)</Name>
             <Density>11341.072087200002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead (rolled)</Name>
             <Density>11389.127477400001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead Shot</Name>
             <Density>6727.75</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Leather</Name>
             <Density>945.0893406000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lexan</Name>
             <Density>1218.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lite Plywood</Name>
             <Density>352.40619480000004</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Magna Phenolic</Name>
             <Density>1100.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Mail Tube Paper</Name>
             <Density>800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Maple (Hard)</Name>
             <Density>632.7293043000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Mat Board 4-Ply</Name>
             <Density>710.579</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Mylar</Name>
             <Density>1309.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 200</Name>
             <Density>8890.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 400</Name>
             <Density>8800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 600</Name>
             <Density>8410.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 625</Name>
             <Density>8440.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 718</Name>
             <Density>8230.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel C276</Name>
             <Density>8890.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nylon</Name>
             <Density>1140.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (Brown)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (Red)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (White)</Name>
             <Density>752.8677798000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>PVC</Name>
             <Density>1300.6992280800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper</Name>
             <Density>608.7016092000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper/2layers 8 oz.  glass</Name>
             <Density>1681.94</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Pine (White Northern)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Pine (White Western)</Name>
             <Density>432.4985118000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Plastic</Name>
             <Density>920.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polycarbonate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polyethylene</Name>
             <Density>920.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polyethylene LDPE</Name>
             <Density>924.2653381800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Polyethylene LDPE(0.051)</Name>
             <Density>0.04713753224718001</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polystyrene PS</Name>
             <Density>1049.2093527000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Poplar (Yellow)</Name>
             <Density>480.55390200000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Quantum Tubing</Name>
             <Density>1100.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Rip stop nylon</Name>
             <Density>0.06684999999999999</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Rocketwood</Name>
             <Density>529.089846102</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Russian 1/8 in. Plywood</Name>
             <Density>685.1</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Silver</Name>
             <Density>10460.056600200001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spiral/Glassine</Name>
             <Density>848.9785602000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spiral/Glassine-Thick</Name>
             <Density>768.886</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spruce</Name>
             <Density>448.51697520000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Stainless steel 17-4PH</Name>
             <Density>7600.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Stainless steel 17-5PH</Name>
             <Density>7800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Stainless steel 17-7PH</Name>
             <Density>7800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Steel</Name>
             <Density>7850.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Steel 4130</Name>
             <Density>7850.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Steel 4340</Name>
             <Density>7850.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Sycamore</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Titanium</Name>
             <Density>4500.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Urethane</Name>
             <Density>847.0563445920002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Vulcanized Fiber</Name>
             <Density>1250.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>lite ply</Name>
             <Density>352.406186</Density>
             <Type>BULK</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/LocPrecision-legacy.orc b/swing/resources-src/datafiles/components-openrocket/LocPrecision-legacy.orc
index ebfcdfbe6..bd15c1603 100644
--- a/swing/resources-src/datafiles/components-openrocket/LocPrecision-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/LocPrecision-legacy.orc
@@ -3,732 +3,732 @@
     <Version>0.1</Version>
     <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:.060 Carbon Fiber]</Name>
             <Density>1400.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1 In. Flat Elastic]</Name>
             <Density>0.015514109144</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1 in. tubular nylon]</Name>
             <Density>0.044644918400000004</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>[material:1.1 Ounce Rip Stop Nylon]</Name>
             <Density>0.037350571446</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>[material:1.3 oz. Ripstop Nylon (SkyAngle)]</Name>
             <Density>0.04407367430628</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>[material:1.7 oz. Ripstop Nylon]</Name>
             <Density>0.057638523018492004</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>[material:1.9 oz. Ripstop Nylon (PML)]</Name>
             <Density>0.08788369752</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>[material:1.9 oz. Ripstop Nylon (SkyAngle)]</Name>
             <Density>0.06441875028216</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>[material:1.9 oz. Ripstop Nylon]</Name>
             <Density>0.06441875028216</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/16 Aircraft Plywood]</Name>
             <Density>361.3765253</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/16 In. Braided Nylon]</Name>
             <Density>0.00102</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/16 In. Round Elastic]</Name>
             <Density>0.00183</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/16 in. Aircraft Plywood]</Name>
             <Density>361.3765253</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/2 In. Flat Elastic]</Name>
             <Density>0.003125144288</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/2 in. Tubular Nylon]</Name>
             <Density>0.060870160920000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/2 in. tubular kevlar]</Name>
             <Density>0.044644918400000004</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/32 In. Kevlar]</Name>
             <Density>6.590000000000001E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/4 Aircraft Plywood]</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/4 In. Flat Elastic]</Name>
             <Density>0.00402</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/4 in. Aircraft Plywood]</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/4 in. tubular kevlar]</Name>
             <Density>0.022322459200000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/8 Aircraft Plywood]</Name>
             <Density>337.5410523</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/8 In. Braided Nylon]</Name>
             <Density>0.03267766533600001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/8 In. Flat Elastic]</Name>
             <Density>0.00205</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/8 In. Flat Rubber]</Name>
             <Density>0.00231</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1/8 in. Aircraft Plywood]</Name>
             <Density>337.5410523</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1/8 in. Tubular Kevlar]</Name>
             <Density>0.011161229600000001</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:100 lb Kevlar (Apogee 29505)]</Name>
             <Density>0.006359329969800001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:100lb Kevlar (Apogee 29505)]</Name>
             <Density>3.9698E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:1500 lb Kevlar (Apogee 29507)]</Name>
             <Density>0.0959105496075</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:1500lb Kevlar (Apogee 29507)]</Name>
             <Density>0.0059875</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:260 lb. Elastic]</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:3/16 Aircraft Plywood]</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:3/16 in. Aircraft Plywood]</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:3/4 In. Flat Elastic]</Name>
             <Density>0.01227735256</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:3/8 in. Flat Elastic]</Name>
             <Density>0.0038</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:3/8 in. Tubular Nylon (SkyAngle)]</Name>
             <Density>0.18602086537432</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:3/8 in. Tubular Nylon]</Name>
             <Density>0.18602086537432</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:3/8 inch Flat Elastic]</Name>
             <Density>0.0038</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>[material:3/8 tubular nylon (SkyAngle)]</Name>
             <Density>0.18602086537432</Density>
             <Type>LINE</Type>
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             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:Titanium]</Name>
             <Density>4500.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:Urethane]</Name>
             <Density>847.0563445920002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:]</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:lite ply]</Name>
             <Density>352.40619480000004</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>[material:paper2]</Name>
             <Density>752.5473917</Density>
             <Type>BULK</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/Quest-legacy.orc b/swing/resources-src/datafiles/components-openrocket/Quest-legacy.orc
index f5dc587a3..c3d25e7b8 100644
--- a/swing/resources-src/datafiles/components-openrocket/Quest-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/Quest-legacy.orc
@@ -3,807 +3,807 @@
     <Version>0.1</Version>
     <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name></Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>.060 Carbon Fiber</Name>
             <Density>1400.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>.125 in Fiberglass/Honeycomb</Name>
             <Density>461.33174592000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>.25 in Fiberglass/Honeycomb</Name>
             <Density>235.47141198</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1 in. Flat Elastic</Name>
             <Density>0.015514109144</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1 in. Tubular Nylon</Name>
             <Density>0.044644918400000004</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1.1 Ounce Rip Stop Nylon</Name>
             <Density>0.05983056264534001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.1 oz. Rip Stop Nylon</Name>
             <Density>0.037350571446</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.3 oz. Ripstop Nylon (SkyAngle)</Name>
             <Density>0.04407367430628</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.7 oz. Ripstop Nylon</Name>
             <Density>0.057638523018492004</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.9 oz. Ripstop Nylon</Name>
             <Density>0.06441875028216</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.9 oz. Ripstop Nylon (PML)</Name>
             <Density>0.08788369752</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>1.9 oz. Ripstop Nylon (SkyAngle)</Name>
             <Density>0.06441875028216</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/16 in. Aircraft Plywood</Name>
             <Density>361.3765253</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/16 in. Braided Nylon</Name>
             <Density>0.00102</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/16 in. Round Elastic</Name>
             <Density>0.00183</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/2 in. Flat Elastic</Name>
             <Density>0.003125144288</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/2 in. Tubular Kevlar</Name>
             <Density>0.044644918400000004</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/2 in. Tubular Nylon</Name>
             <Density>0.060870160920000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/32 in. Kevlar</Name>
             <Density>6.590000000000001E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/4 Aircraft Plywood</Name>
             <Density>344.269</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/4 In. Flat Elastic</Name>
             <Density>0.00402</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/4 in. Aircraft Plywood</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/4 in. Braided Nylon</Name>
             <Density>0.06535533067200001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/4 in. Tubular Kevlar</Name>
             <Density>0.022322459200000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 Aircraft Plywood</Name>
             <Density>337.541</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 in Birch Plywood (Revell)</Name>
             <Density>640.7385360000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 in. Aircraft Plywood</Name>
             <Density>672.7754628</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1/8 in. Braided Nylon</Name>
             <Density>0.03267766533600001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 in. Flat Elastic</Name>
             <Density>0.00205</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 in. Flat Rubber</Name>
             <Density>0.00231</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 in. Tubular Kevlar</Name>
             <Density>0.011161229600000001</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>100 lb Kevlar (Apogee 29505)</Name>
             <Density>0.006359329969800001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>100 lb. Kevlar</Name>
             <Density>0.032837849970000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>100lb Kevlar (Apogee 29505)</Name>
             <Density>0.006359329969800001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1500 lb. Kevlar</Name>
             <Density>0.0959105496075</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>1500lb Kevlar (Apogee 29507)</Name>
             <Density>0.0959105496075</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>260 lb. Elastic</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/16 Aircraft Plywood</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/16 in. Aircraft Plywood</Name>
             <Density>344.2688068</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>3/4 in. Flat Elastic</Name>
             <Density>0.01227735256</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/8 in. Flat Elastic</Name>
             <Density>0.060870160920000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>3/8 in. Tubular Nylon</Name>
             <Density>0.018602086537432</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>3/8 in. Tubular Nylon (SkyAngle)</Name>
             <Density>0.018602086537432</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/8 inch Flat Elastic</Name>
             <Density>0.060870160920000006</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>3/8 tubular nylon (SkyAngle)</Name>
             <Density>2.9797705801314</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>30 Lb. Kevlar</Name>
             <Density>1.78E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>300 lb. Kevlar</Name>
             <Density>0.01807843779324</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>300 lb. Kevlar (Apogee 29506)</Name>
             <Density>0.01807843779324</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>300lb Kevlar (Apogee 29506)</Name>
             <Density>0.01807843779324</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>4000 lb. nylon</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>5/64 in. Round Elastic</Name>
             <Density>0.0024200000000000003</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>5/8 in. Tubular Nylon</Name>
             <Density>0.022322459200000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>5/8 in. Tubular Nylon (SkyAngle)</Name>
             <Density>0.022322459200000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>6000 lb. nylon</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>6oz &amp; 2oz FG &amp; Poster board</Name>
             <Density>798.85</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>7/16 in. Flat Braided Kevlar</Name>
             <Density>0.0502255332</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>70 Lb. Kevlar</Name>
             <Density>3.3E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>750 Lb. Kevlar</Name>
             <Density>0.0030135319920000002</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>9/16 in. Tubular Nylon</Name>
             <Density>0.0167418444</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Acrylic (Cast)</Name>
             <Density>1185.3662916</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aircraft plywood (Birch)</Name>
             <Density>724.9956534840001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aircraft plywood (LOC)</Name>
             <Density>724.9956534840001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum</Name>
             <Density>2698.9</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum (Al)</Name>
             <Density>2698.9</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum 2024</Name>
             <Density>2780.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aluminum 7075</Name>
             <Density>2810.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Ash</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Basswood</Name>
             <Density>424.48928010000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Beech</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Birch</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Birch Plywood (Revell)</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Blue Tube</Name>
             <Density>1237.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Blue Tube 2</Name>
             <Density>1250.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Brass</Name>
             <Density>8553.8594556</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Carbon Fiber</Name>
             <Density>1400.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cardboard</Name>
             <Density>688.7939262000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>Carpet String</Name>
             <Density>3.2972000000000003E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>Carpet String (Apogee 29500)</Name>
             <Density>3.2972000000000003E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cellulose Acetate Propionate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Chalk (Fine)</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Composite Fin Material</Name>
             <Density>634.3311506400001</Density>
             <Type>BULK</Type>
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-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Copper (cast)</Name>
             <Density>8682.0071628</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Copper (rolled)</Name>
             <Density>8906.2656504</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cork (Solid)</Name>
             <Density>240.27695100000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cottonwood</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
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+        <Material UnitsOfMeasure="kg/m3">
             <Name>Custom</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Dyna-Wind Tubing</Name>
             <Density>1210.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiber</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiberglass</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fir (Douglas)</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fir (White)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
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             <Name>G10 (PML 0.062)</Name>
             <Density>3.137448001464</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 (PML 0.062)</Name>
             <Density>0.07059977558916</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.093)</Name>
             <Density>5.022553313268</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.125)</Name>
             <Density>6.169435565904</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass</Name>
             <Density>2175.3073297200003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass (LOC)</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass Filament Wound</Name>
             <Density>1934.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Fiberglass Filament Wound Tube</Name>
             <Density>1820.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 Phenolic</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G12 Fiberglass</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Glassed Phenolic</Name>
             <Density>1900.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Gold (24 kt.)</Name>
             <Density>19286.229933600003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>Kevlar Thread (Apogee 29502)</Name>
             <Density>8.858E-5</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Kraft phenolic</Name>
             <Density>943.4874942600001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Kraft phenolic (Glassed)</Name>
             <Density>1153.329336</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead (cast)</Name>
             <Density>11341.072087200002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead (rolled)</Name>
             <Density>11389.127477400001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead Shot</Name>
             <Density>6727.75</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Leather</Name>
             <Density>945.0893406000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lexan</Name>
             <Density>1218.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lite Plywood</Name>
             <Density>352.40619480000004</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Magna Phenolic</Name>
             <Density>1100.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Mail Tube Paper</Name>
             <Density>800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Maple (Hard)</Name>
             <Density>632.7293043000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Mat Board 4-Ply</Name>
             <Density>710.579</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Mylar</Name>
             <Density>1309.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 200</Name>
             <Density>8890.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 400</Name>
             <Density>8800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 600</Name>
             <Density>8410.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 625</Name>
             <Density>8440.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel 718</Name>
             <Density>8230.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nickel C276</Name>
             <Density>8890.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nylon</Name>
             <Density>1140.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (Brown)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (Red)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (White)</Name>
             <Density>752.8677798000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>PVC</Name>
             <Density>1300.6992280800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper</Name>
             <Density>608.7016092000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper/2layers 8 oz.  glass</Name>
             <Density>1681.94</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Pine (White Northern)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Pine (White Western)</Name>
             <Density>432.4985118000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Plastic</Name>
             <Density>920.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polycarbonate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polyethylene</Name>
             <Density>920.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polyethylene LDPE</Name>
             <Density>924.2653381800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Polyethylene LDPE(0.025)</Name>
             <Density>0.023476339589772004</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Polyethylene LDPE(0.051)</Name>
             <Density>0.04695267917954401</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polystyrene PS</Name>
             <Density>1049.2093527000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Poplar (Yellow)</Name>
             <Density>480.55390200000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Quantum Tubing</Name>
             <Density>1100.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Rip stop nylon</Name>
             <Density>0.06684999999999999</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Rocketwood</Name>
             <Density>529.089846102</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Russian 1/8 in. Plywood</Name>
             <Density>685.1</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Silver</Name>
             <Density>10460.056600200001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spiral/Glassine</Name>
             <Density>848.9785602000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spiral/Glassine-Thick</Name>
             <Density>768.886</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spruce</Name>
             <Density>448.51697520000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Stainless steel 17-4PH</Name>
             <Density>7600.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Stainless steel 17-5PH</Name>
             <Density>7800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Stainless steel 17-7PH</Name>
             <Density>7800.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Steel</Name>
             <Density>7850.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Steel 4130</Name>
             <Density>7850.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Steel 4340</Name>
             <Density>7850.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Sycamore</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Titanium</Name>
             <Density>4500.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Urethane</Name>
             <Density>847.0563445920002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Vulcanized Fiber</Name>
             <Density>1250.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>lite ply</Name>
             <Density>352.406186</Density>
             <Type>BULK</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/bluetube-legacy.orc b/swing/resources-src/datafiles/components-openrocket/bluetube-legacy.orc
index c54ccca16..7987eee0b 100644
--- a/swing/resources-src/datafiles/components-openrocket/bluetube-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/bluetube-legacy.orc
@@ -3,7 +3,7 @@
     <Version>0.1</Version>
     <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Vulcanized Fiber</Name>
             <Density>1250.0</Density>
             <Type>BULK</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/bms-legacy.orc b/swing/resources-src/datafiles/components-openrocket/bms-legacy.orc
index 8b23edb6f..11877d3fd 100644
--- a/swing/resources-src/datafiles/components-openrocket/bms-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/bms-legacy.orc
@@ -3,22 +3,22 @@
   <Version>0.1</Version>
   <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiber</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>lite ply</Name>
             <Density>352.40619480000004</Density>
             <Type>BULK</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/fliskits-legacy.orc b/swing/resources-src/datafiles/components-openrocket/fliskits-legacy.orc
index 55ea9a827..6f782079e 100644
--- a/swing/resources-src/datafiles/components-openrocket/fliskits-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/fliskits-legacy.orc
@@ -3,32 +3,32 @@
   <Version>0.1</Version>
   <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiber</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Light Ply</Name>
             <Density>0.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Paper</Name>
             <Density>90</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper</Name>
             <Density>671.1787601020637</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spiral-Wound Paper/Glassine</Name>
             <Density>1047.6648350683759</Density>
             <Type>BULK</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/giantleaprocketry-legacy.orc b/swing/resources-src/datafiles/components-openrocket/giantleaprocketry-legacy.orc
index 4b70f473d..ab5149e25 100644
--- a/swing/resources-src/datafiles/components-openrocket/giantleaprocketry-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/giantleaprocketry-legacy.orc
@@ -3,27 +3,27 @@
   <Version>0.1</Version>
   <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Birch</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cardboard</Name>
             <Density>688.7939262000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Kraft phenolic</Name>
             <Density>958.7050344900001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polycarbonate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Rip stop nylon</Name>
             <Density>0.06684999999999999</Density>
             <Type>SURFACE</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/publicmissiles-legacy.orc b/swing/resources-src/datafiles/components-openrocket/publicmissiles-legacy.orc
index ff45db001..2080689cc 100644
--- a/swing/resources-src/datafiles/components-openrocket/publicmissiles-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/publicmissiles-legacy.orc
@@ -3,312 +3,312 @@
   <Version>0.1</Version>
   <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/16 In. braided nylon</Name>
             <Density>0.00102</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/16 In. round elastic</Name>
             <Density>0.00183</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/32 In. kevlar</Name>
             <Density>6.590000000000001E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/4 In. flat elastic</Name>
             <Density>0.00402</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 In. flat elastic</Name>
             <Density>0.00205</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/8 In. flat rubber</Name>
             <Density>0.00231</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>3/8 inch Flat Elastic</Name>
             <Density>0.0038</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>30 Lb. kevlar</Name>
             <Density>1.78E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>5/64 In. round elastic</Name>
             <Density>0.0024200000000000003</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>70 Lb. kevlar</Name>
             <Density>3.3E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Acrylic (Cast)</Name>
             <Density>1185.3662916</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Aircraft plywood (Birch)</Name>
             <Density>724.9956534840001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Ash</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Basswood</Name>
             <Density>424.48928010000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Beech</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Birch</Name>
             <Density>680.7846945000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Brass</Name>
             <Density>8553.8594556</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cardboard</Name>
             <Density>688.7939262000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Chalk (Fine)</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Copper (cast)</Name>
             <Density>8682.0071628</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Copper (rolled)</Name>
             <Density>8906.2656504</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cork (Solid)</Name>
             <Density>240.27695100000003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Cottonwood</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Epoxy</Name>
             <Density>1254.2456842200002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiberglass</Name>
             <Density>128.147704</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fir (Douglas)</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fir (White)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.062)</Name>
             <Density>3.137448001464</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.093)</Name>
             <Density>5.022553313268</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>G10 (PML 0.125)</Name>
             <Density>6.169435565904</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 fiberglass</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>G10 phenolic</Name>
             <Density>1905.2360367960002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Gold (24 kt.)</Name>
             <Density>19286.229933600003</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Iron (cast</Name>
             <Density>7208.308530000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Iron (wrought)</Name>
             <Density>7768.954749</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Kraft phenolic</Name>
             <Density>958.7050344900001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead (cast)</Name>
             <Density>11341.072087200002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lead (rolled)</Name>
             <Density>11389.127477400001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Leather</Name>
             <Density>945.0893406000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Lexan</Name>
             <Density>1218.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Maple (Hard)</Name>
             <Density>632.7293043000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Mylar</Name>
             <Density>1309.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Nylon</Name>
             <Density>1140.0</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (Brown)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (Red)</Name>
             <Density>720.830853</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Oak (White)</Name>
             <Density>752.8677798000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>PVC</Name>
             <Density>1300.6992280800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Pine (White Northern)</Name>
             <Density>400.461585</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Pine (White Western)</Name>
             <Density>432.4985118000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polycarbonate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polyethylene LDPE</Name>
             <Density>924.2653381800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Polyethylene LDPE(0.051)</Name>
             <Density>0.04695267917954401</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polystyrene PS</Name>
             <Density>1049.2093527000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Poplar (Yellow)</Name>
             <Density>480.55390200000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Rip stop nylon</Name>
             <Density>0.06684999999999999</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Rocketwood</Name>
             <Density>529.089846102</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Silver</Name>
             <Density>10460.056600200001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spruce</Name>
             <Density>448.51697520000005</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Sycamore</Name>
             <Density>560.6462190000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Urethane</Name>
             <Density>847.0563445920002</Density>
             <Type>BULK</Type>
diff --git a/swing/resources-src/datafiles/components-openrocket/semroc-legacy.orc b/swing/resources-src/datafiles/components-openrocket/semroc-legacy.orc
index cdeee9b6e..8efb517b8 100644
--- a/swing/resources-src/datafiles/components-openrocket/semroc-legacy.orc
+++ b/swing/resources-src/datafiles/components-openrocket/semroc-legacy.orc
@@ -3,62 +3,62 @@
     <Version>0.1</Version>
     <Legacy />
     <Materials>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>1/16 In. braided nylon</Name>
             <Density>0.00102</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m">
+        <Material UnitsOfMeasure="kg/m">
             <Name>30 Lb. kevlar</Name>
             <Density>1.78E-4</Density>
             <Type>LINE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Balsa</Name>
             <Density>128.1477072</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Fiber</Name>
             <Density>656.7569994</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Paper</Name>
             <Density>1121.2924380000002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Paper(0.051)</Name>
             <Density>0.05696165585040001</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polycarbonate</Name>
             <Density>1199.7829086600002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Polyethylene LDPE</Name>
             <Density>924.2653381800002</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Polyethylene LDPE(0.025)</Name>
             <Density>0.023476339589772004</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/m2">
+        <Material UnitsOfMeasure="kg/m2">
             <Name>Rip stop nylon</Name>
             <Density>0.06684999999999999</Density>
             <Type>SURFACE</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>Spiral/Glassine</Name>
             <Density>848.9785602000001</Density>
             <Type>BULK</Type>
         </Material>
-        <Material UnitsOfMeasure="g/cm3">
+        <Material UnitsOfMeasure="kg/m3">
             <Name>lite ply</Name>
             <Density>352.40619480000004</Density>
             <Type>BULK</Type>