Energy Converter

Convert between energy units

Joules

Kilojoules

Calories

cal

Kilocalories (kcal)

kcal

Watt-hours

Kilowatt-hours

kWh

Electron Volts

Foot-pounds

ft·lb

1 kJ =

1,000 J

1 kcal =

4.184 kJ

1 kWh =

3,600 kJ

Food energy:

kcal (Calories)

Energy Units

SI unit of energy. One joule is the energy transferred when applying a force of one newton over one meter.

Food "Calories" (capital C) are actually kilocalories (kcal). 1 Calorie = 1,000 calories.