Free Energy Converter
J, kJ, cal, kcal, Wh, kWh, BTU.
| Kilojoules (kJ) | 0.001 |
| Calories (cal) | 0.2390057361 |
| Kilocalories (food) (kcal) | 0.0002390057 |
| Watt hours (Wh) | 0.0002777778 |
| Kilowatt hours (kWh) | 2.777778e-7 |
| British thermal units (BTU) | 0.0009478134 |
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How to use the Energy Converter
- 1Enter energy.
- 2Pick the unit.
- 3See conversions.
Features
- 7 units
- Food calories note
Frequently Asked Questions
cal vs kcal?
Food “calories” are kilocalories: 1 kcal = 1000 cal = 4184 J.
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About the Energy Converter
Convert energy units for physics, nutrition and heating. The Energy Converter runs entirely in your browser — your data is processed locally and never uploaded to a server. Explore more Converters tools or browse all free online tools.