Kilojoule to Kilocalorie (kJ to kcal)

Convert kJ to kcalEnergy converter

One kilojoule equals 0.23900574 kcal, so to convert kilojoules to kilocalories you multiply the value by 0.23900574. A kilojoule is smaller than a kilocalorie — going the other way, 1 kcal = 4.184 kJ. For example, 10 kJ = 2.390057 kcal and 50 kJ = 11.950287 kcal.

0.23900574Click to copy

1 kJ = 0.23900574 kcal

Kilojoule to Kilocalorie formula

1 Kilojoule = 0.23900574 kcal

Worked examples

  • 25 kJ = 5.975143 kcal
  • 100 kJ = 23.900574 kcal

Kilojoule to Kilocalorie conversion table

Kilojoule (kJ)Kilocalorie (kcal)
10.23900574
20.47801147
30.71701721
51.195029
81.912046
102.390057
122.868069
153.585086
204.780115
255.975143
5011.950287
10023.900574
25059.751434
500119.502868
1000239.005736

Frequently asked questions

How many kilocalories are in one kilojoule?

One kilojoule equals 0.23900574 kilocalories (kcal).

How many kilojoules are in one kilocalorie?

One kilocalorie equals 4.184 kilojoules (kJ).

How do you convert kilojoules to kilocalories?

1 Kilojoule = 0.23900574 kcal. Use the calculator above for any value.

What is 5 kJ in kcal?

5 kJ = 1.195029 kcal.

What is 100 kJ in kcal?

100 kJ = 23.900574 kcal.

What is 10 kJ in kcal?

10 kJ = 2.390057 kcal.

What is 20 kJ in kcal?

20 kJ = 4.780115 kcal.

Is a kilojoule bigger than a kilocalorie?

No. A kilojoule is smaller — one kilojoule equals 0.23900574 kilocalories, while one kilocalorie equals 4.184 kilojoules.

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