⚡ Energy
Calories (Kcal) to Kilojoules Converter
Convert calories (kcal) to kilojoules instantly. Enter any value and get the result. Includes a conversion table and the exact formula.
calories (kcal) to kilojoules
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Common conversions
| Calories (Kcal) | Kilojoules |
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Formula:
How to convert calories (kcal) to kilojoules
1
Enter your value
Type the number of calories (kcal) you want to convert into the left box. The result in kilojoules appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — Kilojoules to Calories (Kcal). Your current value carries across so you don't have to re-enter anything.
3
About Calories (Kcal) and Kilojoules
Calories (kcal) are the common unit for food energy. Kilojoules (kJ) are used on nutrition labels in many countries. 1 kcal = 4.184 kJ.