Energy Converter
Convert between calories, joules, kilowatt-hours, BTU, and more
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4.184
1 Kilocalories (kcal) = 4.184 Kilojoules (kJ)
Frequently Asked Questions
How many calories in a joule?▼
1 calorie = 4.184 joules. 1 food Calorie (kcal) = 4,184 joules.
How to Use Energy Converter
- 1Open the Energy Converter tool above - it loads instantly in your browser.
- 2Enter your data or upload your file. Everything is processed locally on your device - nothing is uploaded to any server.
- 3Get your results instantly. Copy, download, or share - completely free with no signup required.
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