Energy Converter
Convert energy between joules, calories, kilowatt-hours, BTU and other units.
Convert energy
Calculated instantly in your browser.
Equation
| Unit | Value |
|---|
How to use it
- Enter an amount and its unit.
- Choose the target unit.
- Use the table to compare every unit.
Examples
1 kWh = 3.6 MJ1 kcal = 4.184 kJ100 kcal ≈ 0.1163 kWh
Food “Calories” are kilocalories (kcal). Calories here use the thermochemical definition, 1 cal = 4.184 J, and BTU is the International Table BTU.