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

LENGTH            1 m = 100cm = 1000mm = 10⁶ microns (um) = 10¹⁰= 39.37 in Å

                                                = 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 lb_f

                           1 lb_f = 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 lb_f/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 lb_f = 9.486 x 10^-4 Btu

POWER                      1 W = 1 J/s = 0.23901 cal/s = 0.7376 ft lb_f/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