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| Term | Definition |
|---|---|
| 1 m | 100 cm = 1000 mm = 10 6 microns (m) = 10 9 nanometers (nm) = 10 10 angstroms |
| 1 Yard | 3 ft = 36 in = 91.44 cm |
| 1 mi | 5,280 ft = 1.61 kilometers |
| 1 kg | 1000 g = 0.001 metric ton = 2.2 lbm |
| 1 lbm | 16 oz = 454 g = 0.454 kg = 5 x 10-4 ton |
| 1 m3 | 1000 L = 10 6 cm3 = 10 6 mL |
| 1 ft3 | 7.48 gal = 28.3 L |
| 1 g/cm3 | 62.4 lbm /ft3 = 8.33 lbm/gal |
| 1 atm | 760 mm Hg at 0C (torr) = 14.7 lbf/in.2 (psi) |
| 1 atm | 29.92 in. Hg = 34 ft H2O |
| 1 atm | 1.013 bar = 101.3 kPa |
| 1 lbf | 32.174 lbmft/s2 = 4.448 N |
| 1 Btu | 252 cal = 778 ft-lbf (foot-pound force) = 1055 Joules |
| 1 cal | 4.184 Joules (J) |
| 1 kW | 1000 J/s = 1.34 hp = 239 cal/s |