Unidades de conversión


Sistema Inglés

Sistema Internacional

Fuerza

Lb (Pound)

N (Newton)

Presión

Lb/in2

Pa (Pascal), bar

Masa

Lb sec2/in

kg (Kilogram)

Longitud

in, ft

m (Meter)

tiempo

sec, min

sec

Energía

in lb, ft-lb, BTU

J (Joule)

Poder

HP (Horsepower)

kW (Kilowatt)


Energía 

1 Btu = 1.055 kJ
1 J = 1 Nm
1 in lb=1.07x10-4 Btu
1 Btu = 9331 in lb
1 Btu = 17.57 W min
1 Btu = 1054.2 W sec

Poder

1 hp = 745.6 W = 0.746kW
1 hp = 550 ft lb/sec
1 hp = 6600 in lb/sec
1 kW = 1.34 hp
1 J/sec = 1 W
100 hp = 74.6 kW
100 kW = 134 hp
1 Btu/min = 17.57 W
1 ft lb/sec = 0.07716 Btu/min

Volumen

1 gal = 231 in3
1 gal = 3.785 liters
1 liter = 61.02 in3
1 liter = 0.2642 gal

Fuerza

1 lb = 4.448 Newtons
1 Newton = 0.225 lb

Masa

1/386 lb sec2/in (1 lbm) = 0.4536 kg
1 kg = 2.2 /386 lb sec2/in (2.2 lbm)

Presión/Esfuerzo

1000 psi = 6.89 MPa
1 MPa = 145.14 psi
1 bar = 100.0 kPa
1 bar = 14.514 psi

Velocidad

1 MPH = 1.609 km/h
1 km/h = 0.6215 MPH
Gravity
1 g = 9.8 m/sec2 = 386 in/sec2
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