Units Converter

Enter a number in any field and click the "Calculate" button (or anywhere outside the field) to calculate the conversions.

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 Volume


in3 ft3 lt (dm3) = 
gal (UK) =  gal (US) =  cc (cm3, ml) = 
pint (UK) =  pint liquid (US)   quart (UK) = 
quart liquid (US) =  fl.oz (UK) =  fl.oz (US)
 Velocity


ft/min =  mi/h =  m/min = 
km/h =  m/s
 Torque


lbf-ft =  kgf-m =  N-m
 Temperature


°F =  °C
 Pressure


in H2O =  in Hg =  mm Hg  
lbf/in2 (psi) =  atm =  kg/cm2 
kPa =  MPa =  bar
 Power


hp =  metric hp =  kW
 Mass


lb =  kg =  stone =  ton (UK or long) =  ton (US or short) =  tonne
 Length


in =  ft =  yd =  mile = 
mm =  cm =  m =  km
 Fuel Consumption


mi/gal (Imp) =  l/100 km
 Force


ounce =  lb =  gms = 
kg =  N
 Flow Rate


ft3/min (cfm) =  m3/h =  m3/min =  m3/s
 Engine Capacity


* Required inputs  
* No. of Cylinders   * Bore Diameter (mm)  * Stroke (mm)     

Engine Capacity cc   litres   ci
 Energy


kcal =  Btu =  hp-h = 
kWh =  kJ
 Density


lb/ft3 kg/m3
 Area


in2 ft2 acre =  m2
cm2 mm2 hectare