Factores para conversión de unidades

Cantidad Valores equivalentes
Masa 1 kg = 1000 g = 0.001 tonelada métrica = 2.20462 lbm = 35.27392 oz
1 lbm = 16 oz= 5 x 10-4 toneladas = 453.593 g = 0.453593 kg
Longitud 1 m = 100 cm = 1000 mm = 106 micrones (μm) = 1010 angstroms (Å)= 39.37 pulgada = 3.2808 pie = 3.2808 ft = 1.0936 yarda = 0.0006214 milla
1 pie = 12 pulgadas = 1/3 yarda = 0.3048 m= 30.48 cm
Volumen 1 m3 = 1000 L = 106 cm3 = 106 mL = 35.3145 pie3 = 220.83 galones imperiales = 264.17 gal = 1056.68cuarto
1 pie3 = 1728 pulgada3 = 7.4805 gal = 0.028317 m3 = 28.317 L = 28317 cm3
Fuerza 1 N = I kg m/s2 = 105 dinas =lO5 g cm/s2 = 0.22481 lbf
1 lbf = 32.174 lbm pie/s2 = 4.4482 N = 4.4482 x 105 dinas
Presión 1 atm = 1.01325 X 105 N/m2(Pa) = 101.325 kPa = 1.01325 bar = 1.01325 x l06dinas/cm2 = 760 mm Hg a OºC (torr) = 10.333 m H2O a 4°C = 14.696lbf/pulgada2 (psi) = 14.696 psi = 33.9 pie H2O a 4ºC = 29.921 pulgada Hg a OºC = 29.921 in. Hg a 0ºC
Energía 1 J = 1 N m =107ergs = 107 dina cm = 2.778 x 10-7 kW h = 0.23901 cal = 0.7376 pie-lbf = 9.486 x 10-4 Btu
Potencia 1 W = 1 J/s =0.23901 cal/s = 0.7376 pie lbf/s = 9.486 x 10-4 Btu/s = 1.341 x 10-3 hp
Ejemplo: El factor para convertir gramos en lbm es: