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Conversion Factors | |
| DIMENSION | SI/ENGLISH |
| Acceleration | 1 m/s2 = 3.2808 ft/s2 |
| Area | 1 m2 = 1550 in2 = 10.764 ft2 |
| Density | 1 g/cm3 = 64.428 lb m/ft3 = 0.036127 lb m/in3 1lb m/in3 = 1728 lb m/ft3 |
| Energy, heat, work | 1 kJ = 0.94783 Btu 1 Btu = 1.05505 kJ =5.4039 psia X ft3 1 Btu/lb m = 25,037 ft2/s2 = 2.326 kJ/kg. 1 kJ/kg = 0.430 Btu/lb m 1 kWh = 3412.2 Btu |
| Force | 1 lbf = 32.174 lb m X ft/s2 1 N = 0.22481 lbf |
| Length | 1 m = 39.370 in = 3.2808 ft = 1.0936 yd 1 ft = 12 in = 0.304800 m 1 mile = 5280 ft = 1.6093 km |
| Mass | 1 kg = 2.2046226 lb m 1 lb m = 0.45359237 1 slug = 32.174 lb m = 14.5939 kg 1 short ton = 2000 lb m |
| Power | 1 kW = 3412.2 Btu/h =0.73756 lbf X ft/s 1 hp = 550 lbf X st/s = 0.7068 Btu/s = 42.41 Btu/min = 2544.5 Btu/h 0.74750 kW |
| Pressure | 1 Pa = 1.4504 X 10-4 psia = 0.020886 lbf/ft2 1 psia = 144 lbf/ft2 1 atm= 14.696 psia = 29.92 in Hg at 32 °F |
| Specific Heat | 1 Btu/(lb m X °F) = 4.1868 kJ/(kg X °C) 1 kJ/(kg X °C) = 0.23885 Btu/(lb m X °F) = 0.23885 Btu/(lb m X R) |
| Specific Volume | 1 m3/kg = 16.02 ft3/lb m |
| Temperature | T(R) = T (°F) + 459.67 T(°F) = 1.8 T(°C) + 32  T(°F) = T(K)= 1.8 T(K) |
| Velocity | 1 m/s = 3.2808 ft/s = 2.237 mi/h 1 mi/h = 1.609 km/h |
| Volume | 1 m3 = 6.1022 X 104in3 = 35.313 ft3 = 264.17 gal(U.S.A. only.) 1 U.S. gallon = 231 in3 = 3.7853 L |