Energy Converter
1 kcal = 4.184 kJ
kJ = kcal × 4.184Convert calories, kilocalories, joules, kilowatt-hours and BTU. Pick any two units — the result updates as you type.
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Energy units compared
| Unit | Symbol | In joules |
|---|---|---|
| Joules | J | 1 J = 1 J |
| Kilojoules | kJ | 1 kJ = 1,000 J |
| Calories | cal | 1 cal = 4.184 J |
| Kilocalories | kcal | 1 kcal = 4,184 J |
| Watt-hours | Wh | 1 Wh = 3,600 J |
| Kilowatt-hours | kWh | 1 kWh = 3,600,000 J |
| BTU | BTU | 1 BTU = 1,055.06 J |
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