Convert kilojoules to kilocalories

1 kJ = 0.23900574 kcal. Change the amount below, or read the formula and the reference table further down.

1 kilojoule equals

0.23900574kilocalories

1 kJ = 0.23900574 kcal

The formula

Kilojoules and kilocalories both measure energy from the same zero, so a single multiplier does the job.

kcal = kJ × 0.2390057361

Going the other way? Convert kilocalories to kilojoules.

Kilojoules to kilocalories table

Common values, rounded for reading.

Kilojoules (kJ)Kilocalories (kcal)
10.239006
20.478011
30.717017
40.956023
51.195
61.434
71.673
81.912
92.1511
102.3901
153.5851
204.7801
255.9751
307.1702
409.5602
5011.9503
7517.9254
10023.9006
25059.7514
500119.5
1,000239.01

Questions people ask

How many kilocalories are in a kilojoule?
One kilojoule equals 0.2390057361 kilocalories.
How do I convert kilojoules to kilocalories by hand?
Multiply the number of kilojoules by 0.2390057361. For a rough check, 0.239 is close enough for most everyday use.
What is 1 kilojoule in kilocalories?
1 kilojoule is 0.23900574 kilocalories.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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