Energy

Kilojoule to Calories

Convert kilojoule to calories instantly.

About this conversion

Kilojoule (kJ) = 1.000 J. Bruges på fødevaremærkning i Europa som mål for energiindhold. A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J. Use the converter above to quickly go from kilojoule to calories.

How to use

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

Manual calculation

1 kilojoule = 239.01 calories. Example: 10 kJ = 2,390.1 cal.

Frequently asked questions

How many calories are in 1 kilojoule?

1 Kilojoule equals 239.01 calories.

When do you use calories?

A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J.