Kilojoules to Kilocalories

Convert kilojoules to kilocalories instantly — type a value, get the answer.

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Kilocalories0.2390kcal

Multiply kilojoules by 0.239005736138 to get kilocalories. 1 kJ = 0.239005736138 kcal.

Kilojoules (kJ)Kilocalories (kcal)
1 kJ0.239 kcal
2 kJ0.478 kcal
5 kJ1.195 kcal
10 kJ2.3901 kcal
25 kJ5.9751 kcal
50 kJ11.9503 kcal
100 kJ23.9006 kcal

Common kilojoules-to-kilocalories conversions, rounded to 4 decimals.

How to convert kilojoules to kilocalories

Multiply the number of kilojoules by 0.239005736138. For example, 10 kJ × 0.239005736138 = 2.3901 kcal. The converter above does this for any value instantly, and the table below lists the conversions people look up most.

Converting kilocalories back to kilojoules

To go the other way, divide the kcal value by 0.239005736138 — or multiply by 4.184. So 1 kcal ≈ 4.184 kJ.

Questions

How many kilocalories are in a kilojoule?
One kilojoule equals 0.239005736138 kilocalories. Multiply any kJ figure by 0.239005736138 to convert it to kcal.
How do I convert kilocalories back to kilojoules?
Divide the kcal value by 0.239005736138, or multiply by 4.184. For example, 5 kcal ≈ 20.92 kJ.
What is 10 kJ in kcal?
10 kJ = 2.3901 kcal. Type any value into the converter above to see its kilocalories equivalent.