Popular kJ and Calorie Conversions

Jump straight to the answer for a specific value. Each page shows the result, the working and how it compares with a daily reference intake.

Looking for a value that is not listed? Enter it in the KJ to Cal converter or the calories to kJ converter. To see many values at once, use the kJ to calories chart.

kJ to calories

Calories to kJ

Last updated 11 Oct 2026. How we calculate.