Kilojoules to Kilocalories Converter

Convert kilojoules to kilocalories (kJ to kcal) instantly. 1 kilojoule = 0.2390057361 kcal. Includes the formula and a conversion table.

kcal = kJ × 0.2390057361

How to convert kilojoules to kilocalories

kcal = kJ × 0.2390057361

One kilojoule equals 0.2390057361 kcal, so multiply the value in kilojoules by 0.2390057361. Example: 10 kJ = 2.390057361 kcal.

The calorie here is the thermochemical calorie (exactly 4.184 J); a food "Calorie" is one kilocalorie. One kilowatt-hour is exactly 3.6 MJ. The BTU is the International Table BTU (1,055.05585262 J).

Kilojoules to kilocalories conversion table

Kilojoules (kJ)Kilocalories (kcal)
1 kJ0.2390057361 kcal
2 kJ0.4780114723 kcal
3 kJ0.7170172084 kcal
5 kJ1.195028681 kcal
10 kJ2.390057361 kcal
15 kJ3.585086042 kcal
20 kJ4.780114723 kcal
25 kJ5.975143403 kcal
50 kJ11.95028681 kcal
75 kJ17.92543021 kcal
100 kJ23.90057361 kcal
250 kJ59.75143403 kcal
500 kJ119.5028681 kcal
1,000 kJ239.0057361 kcal

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Frequently asked questions

How many kilocalories are in 1 kilojoule?

1 kilojoule is equal to 0.2390057361 kcal.

How do I convert kilojoules to kilocalories?

Multiply the number of kilojoules by 0.2390057361. For example, 10 kJ × 0.2390057361 = 2.390057361 kcal.

How do I convert kilocalories back to kilojoules?

Use the formula kJ = kcal × 4.184, or open the kilocalories to kilojoules converter.

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