Calorie to kJ Definition

If you want to easily convert calories to kilojoules then try out our super easy to use online Calorie to kJ Calculator. Enter in the number of calories that you want to convert to kilojoules and then press enter. Simple as pie! Mmm, pie…. Hmm, I wonder how many calories (and kilojoules) were in that piece of pie I just ate…

Calorie to kJ Formula:

1 calorie = 4.184 kilojoules