⚡ Energy & Calories

Convert kilocalories to kilojoules (Energy)

1 kcal = 4.184 kJ. Convert kilocalories to kilojoules instantly with the converter below.

Value

Result —

How to convert

Multiply the value (kcal) by 4.184 to get kJ — example: 5 kcal = 20.92 kJ

Conversion table

Kilocalories to kilojoules conversion table
Kilocalorie	Kilojoule
1 kcal	4.184 kJ
2 kcal	8.368 kJ
5 kcal	20.92 kJ
10 kcal	41.84 kJ
50 kcal	209.2 kJ
100 kcal	418.4 kJ
250 kcal	1,046 kJ
500 kcal	2,092 kJ
1,000 kcal	4,184 kJ
2,000 kcal	8,368 kJ

About the units

Kilocalorie — symbol kcal.
Kilojoule — symbol kJ.

Frequently asked questions

How many kilojoules are in 1 kilocalorie?

1 kcal = 4.184 kJ.

How do I convert kilocalories to kilojoules?

Multiply the value (kcal) by 4.184 to get kJ.

How many kilocalories are in 1 kilojoule?

1 kJ = 0.239006 kcal.

Is the conversion accurate?

Yes. It uses the standard international conversion factors and runs entirely in your browser, uploading no data.

Related conversions

Reverse: kilojoules to kilocalories

Kilocalories to other units

kilocalories to joules kilocalories to calories kilocalories to watt-hours kilocalories to kilowatt-hours kilocalories to BTU

Other units to kilojoules

joules to kilojoules calories to kilojoules watt-hours to kilojoules kilowatt-hours to kilojoules BTU to kilojoules

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