How to convert kilojoules to kilocalories
Divide the kilojoule value by 4.184.
1
Enter the energy
Use the total kilojoule figure from the label or recipe.
2
Add servings
The calculator divides the total into a per-serving amount.
3
Read kilocalories
The main result is kcal; the food-label calories row is the same number.
What does this tool do?
Food labels in Australia, New Zealand and parts of Europe list energy in kilojoules, while the US uses kilocalories. One kilocalorie equals 4.184 kilojoules.
The Formula
kcal = kJ ÷ 4.184; per serving = kcal ÷ servingsFrequently Asked Questions
Is a food Calorie the same as a kcal?
Yes. The capital-C Calorie used on nutrition labels is a kilocalorie, equal to 1,000 small calories and 4.184 kilojoules.
How do I convert kcal back to kJ?
Multiply the kilocalorie value by 4.184. For example, 500 kcal is 2,092 kJ.