Kilocalories to Kilojoule

About this conversion

Kilocalories (kcal) — commonly called "calories" — are used on food labels and in dietary calculations. Kilojoule (kJ) = 1.000 J. Bruges på fødevaremærkning i Europa som mål for energiindhold. Use the converter above to quickly go from kilocalories to kilojoule.

How to use

Enter a value in the kilocalories field and instantly see the result in kilojoule. Click the swap button to reverse the conversion.

Manual calculation

1 kilocalories = 4.184 kilojoule. Example: 10 kcal = 41.84 kJ.

Frequently asked questions