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Kilojoules to Kilocalories

One kilojoule is 0.2390057 kilocalories. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.

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0.2390057

1 kilojoule = 0.2390057 kilocalories · open this conversion

Formula

kilocalories = kilojoules × 0.239005736

A food Calorie (capital C) is a kilocalorie. The thermochemical calorie of 4.184 J is used here.

Kilojoules to Kilocalories table

KilojoulesKilocalories
1 kJ0.2390057 kcal
2 kJ0.4780115 kcal
5 kJ1.195029 kcal
10 kJ2.390057 kcal
20 kJ4.780115 kcal
25 kJ5.975143 kcal
50 kJ11.95029 kcal
100 kJ23.90057 kcal
150 kJ35.85086 kcal
200 kJ47.80115 kcal
250 kJ59.75143 kcal
300 kJ71.70172 kcal
400 kJ95.60229 kcal
500 kJ119.5029 kcal
600 kJ143.4034 kcal
800 kJ191.2046 kcal
1,000 kJ239.0057 kcal
1,500 kJ358.5086 kcal
2,000 kJ478.0115 kcal
2,500 kJ597.5143 kcal
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Other energy conversions

Frequently asked questions

How many kilocalories are in a kilojoule?
One kilojoule is 0.2390057 kilocalories. kilocalories = kilojoules × 0.239005736.
How do I convert kilojoules to kilocalories?
Multiply the number of kilojoules by 0.239005736. For example, 10 kJ × 0.239005736 = 2.390057 kcal.
What is the difference between kilojoules and kilocalories?
Kilojoule (kJ) and Kilocalorie (kcal) both measure energy. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.
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