⚡ Energy & Calories

Convert kilocalories to joules (Energy)

1 kcal = 4,184 J. Convert kilocalories to joules instantly with the converter below.

Value

Result —

How to convert

Multiply the value (kcal) by 4,184 to get J — example: 5 kcal = 20,920 J

Conversion table

Kilocalories to joules conversion table
Kilocalorie	Joule
1 kcal	4,184 J
2 kcal	8,368 J
5 kcal	20,920 J
10 kcal	41,840 J
50 kcal	209,200 J
100 kcal	418,400 J
250 kcal	1,046,000 J
500 kcal	2,092,000 J
1,000 kcal	4,184,000 J
2,000 kcal	8,368,000 J

About the units

Kilocalorie — symbol kcal.
Joule — symbol J.

Frequently asked questions

How many joules are in 1 kilocalorie?

1 kcal = 4,184 J.

How do I convert kilocalories to joules?

Multiply the value (kcal) by 4,184 to get J.

How many kilocalories are in 1 joule?

1 J = 0.000239006 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: joules to kilocalories

Kilocalories to other units

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

Other units to joules

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

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