Energy Converter
Convert energy between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours and BTU.
Result
0 Kilocalories =
0 Kilojoules
- Joules
- 0
- Calories
- 0
- Kilocalories
- 0
- Watt-hours
- 0
- Kilowatt-hours
- 0
- BTU
- 0
- Foot-pounds
- 0
The 'Calories' on food labels are kilocalories: a 100 kcal snack is 100 food Calories, or about 418 kJ.
Enter an amount of energy, choose the unit you have and the unit you want. Note that a food 'Calorie' is a kilocalorie (1,000 small calories).
Frequently asked questions
Is a food Calorie the same as a calorie?
No. A food 'Calorie' (capital C) is a kilocalorie — 1,000 of the small calories used in physics. So a 250 Calorie chocolate bar contains 250 kcal, or roughly 1,046 kJ.