Unit Conversion Factors
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Conversion Factors |
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| Unit X Constant = Unit | Unit X Constant = Unit | |||||
| Btu | 778.0 | Foot-pound (ft-lb) | Horsepower (hp) | 33000.0 | Ft-lb/min | |
| Btu | 1054.8 | Joules | Horsepower (hp) | 550.0 | Ft-lb/sec | |
| Btu | 0.293 | Watt-hours (w-hr) | Horsepower (hp) | 745.7 | Watts (w) | |
| Centimeters (cm) | 0.032808 | Feet (ft) | Inch (in) | 0.027178 | Yards (yd) | |
| Centimeters (cm) | 0.3937 | Inches (in) | Inch (in) | 0.083333 | Feet (ft) | |
| Centimeters (cm) | 0.00001 | Kilometers (km) | Inch (in) | 0.0000254 | Kilometers (km) | |
| Centimeters (cm) | 0.010 | Meters (m) | Inch (in) | 0.0254 | Meters (m) | |
| Centimeters (cm) | 10.0 | Millimeters (mm) | Inch (in) | 2.54000514 | Centimeters (cm) | |
| Circular mils | 0.00064516 | Circular millimeters | Inch (in) | 25.4000514 | Millimeters (mm) | |
| Circular mils | 0.0000007854 | Inches2 (in2) | Inch (in) | 1000.0 | Mils | |
| Circular mils | 0.00050671 | Square Millimeters (mm2) | Joules | 0.000948 | Btu | |
| Circular mils | 0.7854 | Mils2 | Joules | 107 | Ergs | |
| Circular mils | 0.7854 | Square mile | Kilogram | 2.205 | Pound | |
| Cubic centimeter (cm3) | 0.000035314 | Cubic foot (ft3) | Kilogram/km | 0.6214 | Pound/kft | |
| Cubic centimeter (cm3) | 0.061023 | Cubic inch (in3) | Kilometers | 0.6214 | Miles | |
| Cubic centimeter (cm3) | 0.000001 | Cubic meter (m3) | Liters (l) | 61.025 | Cubic inch (in3) | |
| Cubic centimeter (cm3) | 0.00026417 | Gallons | Meters (m) | 1.093611 | Yards (yd) | |
| Cubic foot (ft3) | 1728.0 | Cubic inch (in3) | Meters (m) | 3.2808333 | Feet (ft) | |
| Cubic foot (ft3) | 28317.016 | Cubic centimeter (cm3) | Meters (m) | 39.37 | Inch (in) | |
| Cubic foot | 0.02832 | Cubic meter | Meters (m) | 100.0 | Centimeters (cm) | |
| Cubic inch (in3) | 0.0005787 | Cubic foot (ft3) | Miles | 1760.0 | Yards (yd) | |
| Cubic inch (in3) | 0.000016387 | Cubic meter (m3) | Miles | 5280.0 | Feet (ft) | |
| Cubic inch (in3) | 16.387162 | Cubic centimeter (cm3) | Miles | 1.6093 | Kilometers (km) | |
| Cubic meter (m3) | 1000000.0 | Centimeter (cm) | Millimeters (mm) | 0.0032808 | Feet (ft) | |
| Cubic meter (m3) | 35.314456 | Cubic foot (ft3) | Millimeters (mm) | 0.03937 | Inch (in) | |
| Cubic meter (m3) | 264.17 | Gallons | Millimeters (mm) | 0.001 | Meters (m) | |
| Feet (ft) | 0.00018939 | Miles | Millimeters (mm) | 0.01 | Centimeters (cm) | |
| Feet (ft) | 0.33333 | Yards (yd) | Millimeters (mm) | 39.3701 | Mils | |
| Feet (ft) | 12 | Inches (in) | Millimeters (mm) | 1000 | Microns | |
| Feet (ft) | 0.0003048 | Kilometer (km) | Ohms/km | 0.3048 | Ohms/kft | |
| Feet (ft) | 0.3048 | Meters (m) | Ounce | 28.35 | Gram | |
| Feet (ft) | 30.48 | Centimeter (cm) | Pound | 0.4536 | Kilogram | |
| Feet (ft) | 304.8 | Millimeters (mm) | Pound/kft | 1.4881 | Kilogram/km | |
| Feet/pound (ft/lb) | 0.00067197 | Meters/grams (m/g) | Square inch | 6.452 | Square centimeter | |
| Foot-pound (ft-lb) | 0.001285 | Btu | Square centimeter | 0.155 | Square inch | |
| Foot-pound (ft-lb) | 1.356 | Joules | Square foot | 0.0929 | Square meter | |
| Foot-pound (ft-lb) | 0.1383 | Kilogram/meter (kg/m) | Square meter | 10.76 | Square foot | |
| Gallons | 3.785332 | Liters (l) | Square miles | 2.59 | Square kilometer | |
| Gallons | 0.13368 | Cubic foot (ft3) | Square kilometer | 0.3861 | Square mile | |
| Gallons | 231.0 | Cubic inch (in3) | Watts (w) | 44.25 | Ft-lb/minute | |
| Gallons | 3785.332 | Cubic centimeter (cm3) | Watts (w) | 0.737562 | Ft-lb/sec | |
| Grams (g) | 15.432 | Grains | Watts (w) | 0.001341 | Horsepower (hp) | |
| Gram | 0.03527 | Ounce | Watt-hour (w-hr) | 3.41266 | Btu | |
| Gram/centimeter3 (gm/cm3) | 0.0361275 | Pounds/in3 (lb/m3) | ||||