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UNITS CONVERSIONS AND GAS CONSTANTS MASS 1 kg = 1000g = .001 metric tons = 2.20462 lbm = 35.27392 oz 1 lbm = 16 oz = 5 x 10-4 tons = 453.593g = 0.453593 kg = 3.2805 ft = 1.0936 yd = 0.0006214 mile 1 ft = 12 in = 1/3 yard = 0.3048 m = 30.48 cm VOLUME 1 m3 = 1000L = 106 cm3 = 106 ml = 35.3145 ft3 = 220.83 imp gallons = 264.17 gal = 1056.68 qt 1 ft3 = 1728 in3 = 7.4805 gal = 0.028317 m3 = 28.317 L = 38.317 cm3 FORCE 1 N = 1 kg m/s2 = 105 dynes = 105 g cm/s2 = .22481 lbf 1 lbf = 32.174 lbm ft/s2 = 4.4482 N = 4.4482 x 105 dynes PRESSURE 1 atm = 1.01325 x 105 N/m2 (Pa) = 101.325 kPa = 1.01325 bars = 1.01325 x 106 dynes/cm2 = 760 mm Hg at 00 C (torr) = 10.333 m H2O at 40 C = 14.696 lbf/in2 (psi) = 33.9 ft H2O at 40 C = 29.921 in Hg at 00 C ENERGY 1 J = 1 N m = 107 dynes cm = 2.778 x 10-7 kW h = 0.23901 cal = 0.7376 ft lbf = 9.486 x 10-4 Btu POWER 1 W = 1 J/s = 0.23901 cal/s = 0.7376 ft lbf/s = 9.486 x 10-4 Btu/s = 1.341 x 10-3 hp GAS CONSTANT 8.314 m3 Pa/mol K 0.08314 L bar/mol K 0.08206 L atm/mol K 63.36 L mm Hg/mol K 0.7302 ft3 atm/lb-mole 0R 10.73 ft3 psia/lb-mole 0R 8.314 J/mol K 8.314 J/mol 0C 1.987 cal/mol K 1.987 Btu/lb-mole 0R gc 1 kg m/s2 N = 1 g cm/s2 N = 32.174 lbm ft/s2 lb GRAVITY CONSTANT (g) 9.8066 m/s2 = 980.66 cm/s2 = 32.174 ft/s2
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