Joules to Calories

Convert joules to calories. Live result, plus a quick-reference table for common values.

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⇆ Convert Calories to Joules instead

Frequently asked questions

How do I convert joules to calories?

Multiply the joule value by 0.239006. So 1 joule = 0.239006 cal, and the calculator above does it instantly for any number.

How many calories are in a joule?

There are 0.239006 calories in one joule. The reference table shows the conversion for common values.

Is this J to cal converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.