Energy Content Calculator

Pick an energy unit from the unit dropdown and enter an energy value in the input below.

inputs
results

0 __ are equal to...

calories
0
kilojoules
0

FAQs

Have a question about our this calculator? See our list of frequently asked questions below. If your question is not addressed here, drop us an email.

How do you convert calories to kilojoules?
To convert from calories to kilojoules you multiply the number of kilojoules by 4.2
How do you convert kilojoules to calories?
To convert from kilojoules to calories you divide the number of kilojoules by 4.2

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