Energy Converter
Convert between joules, calories, kWh, kcal, BTU and more — instantly.
Result
Result
4.1840
How it works
Result = value × (from joule factor ÷ to joule factor)
Convert energy between joules (J, kJ), calories (cal, kcal), watt-hours (Wh, kWh) and BTU. All conversions go through joules. Note: food 'Calories' are kilocalories (kcal).
Advertisement
Frequently asked questions
How many kJ are in 1 kcal?
1 kcal = 4.184 kJ.
How many joules in 1 kWh?
1 kWh = 3,600,000 J (3.6 MJ).
Advertisement