Joule to Kilocalorie Converter

Convert Joule to Kilocalorie instantly — live results with exact conversion factors.

From

0.000239005736 kcal

1 joule = 0.0002390057361 kilocalories. To convert J to kcal, multiply by 0.0002390057361.

Quick Reference Table

Joule (J)	Kilocalorie (kcal)
1	0.000239005736
2	0.000478011472
5	0.00119502868
10	0.00239005736
20	0.00478011472
50	0.011950287
100	0.023900574
250	0.059751434
500	0.11950287
1000	0.23900574

Formula

Convert Joule (J) to Kilocalorie (kcal) using the relationship:

kcal = J × 0.0002390057361

How to Convert

Take the value in joules (J).
Multiply it by 0.0002390057361 (the conversion factor from J to kcal).
The result is the equivalent value in kilocalories (kcal).
Example: 1 J = 0.000239005736 kcal.

Reverse Conversion

Need it the other direction? Kilocalorie to Joule conversion.

All Energy Conversions

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FAQ

▸ How many kilocalories are in 1 joule?

1 Joule equals 0.000239005736 kilocalories. Multiply by 0.0002390057361 to convert J to kcal.

▸ What is the formula to convert joule to kilocalorie?

Multiply the value in joules by 0.0002390057361 to get kilocalories. Formula: kcal = J × 0.0002390057361.

▸ How do I convert joules to kilocalories easily?

Enter your value in the converter at the top of this page — the kilocalories result updates live as you type. You can also multiply by 0.0002390057361 directly.

Answer