Convert Kilojoules to Calories
One kilojoule equals 239.005736 calories. Type any value to convert kilojoules to calories instantly — with a full reference table below.
Convert Kilojoules to Calories
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Conversion formula
To convert kilojoules to calories, multiply by 239.005736. One kilojoule equals 239.005736 cal, and one calorie equals 0.004184 kJ.
Kilojoules to Calories table
About converting Kilojoules to Calories
Kilojoules (kJ) and Calories (cal) are both units of energy. The exact factor is 1 kJ = 239.005736 cal, so multiply by 239.005736 to go from kilojoules to calories (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Calories to Kilojoules converter, or the full unit converter for every unit at once.
Frequently asked questions
How many calories are in one kilojoule?
One kilojoule equals 239.005736 calories.
How do I convert kilojoules to calories?
Multiply the number of kilojoules by 239.005736. For example, 10 kilojoules = 2,390.057361 calories.
What is 5 kilojoules in calories?
5 kilojoules is 1,195.028681 calories.