Energy Content Calculator
Pick an energy unit from the unit dropdown and enter an energy value in the input below.
Have a question about our this calculator? See our list of frequently asked questions below.
- 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