Calorie to kJ Formula: 1 calorie = 4.184 kilojoules

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…

How to Calculate Calorie to kJ Let's be honest - sometimes the best calorie to kj calculator is the one that is easy to use and doesn't require us to even know what the calorie to kj formula is in the first place! But if you want to know the exact formula for calculating calorie to kj then please check out the "Formula" box above.