Unit Conversion Factors

Dimension

Equivalent Units

Mass

1 kg = 1000 g = 0.001 metric tons (tonne) = 2.20462 lbm= 35.274 oz

1 lbm = 453.59237 g = 0.45359237 kg = 5 × 10-4 ton = 16 oz

Force

1 N = 1 kg m/s2 = 105 dynes = 105 g cm/s2 = 0.22418 lbf

1 lbf = 32.174 lbm ft/s2 = 4.4482 N = 4.4482 × 105 dynes

Length

1 m = 100 cm = 106 microns (μm) = 1010Å = 39.37 in = 3.2808 ft = 1.0936 yards = 0.0006214 miles

1 ft = 12 in = 1/3 yard = 0.3048 m = 30.48 cm

Volume

1 m3 = 1000 L = 106 cm3 = 35.3145 ft3 = 264.17 gal

1 ft3 = 1728 in.3 = 7.4805 gal = 0.028317 m3 = 28.317 L = 28,317 cm3

Pressure

1 atm = 1.01325 × 105 N/m2 (Pa) = 1.01325 bar = 1.01325 × 106 dyne/cm2 = 760 mm Hg @ 0oC

(torr) = 10.333 m H2O @ 4oC = 33.9 ft H2O @ 4oC = ...

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