Kilojoules to Kilocalories
Convert kilojoules to kilocalories for nutrition labels, food energy, diet tracking, and kcal/Calorie comparisons.
How to convert kJ to kcal
To convert a value from kilojoules (kJ) to kilocalories (kcal), enter the number in the converter above. Use the swap control if you need the reverse direction.
x is the source value in kJ; y is the result in kcal.
Popular conversions
Quick answers for common kJ to kcal values are available from the related conversion pages.
Use the related tools section for fixed-value conversions and the reverse direction.
Common conversion table
Quick reference table for common kJ to kcal values:
| kJ | kcal |
|---|---|
| 1 | 0.239006 |
| 5 | 1.195029 |
| 10 | 2.390057 |
| 50 | 11.950287 |
| 100 | 23.900574 |
| 1,000 | 239.005736 |
About kilojoules
Kilojoule (kJ) — One kilojoule is exactly 1,000 joules.
Common uses: Kilojoules are used for food energy labels, nutrition references, chemistry, physics, and engineering calculations.
About kilocalories
Kilocalorie (kcal) — One kilocalorie is exactly 1,000 small calories, or 4.184 kilojoules. On many nutrition labels, Calorie with a capital C means kilocalorie.
Common uses: Kilocalories are used for nutrition labels, food energy, diet tracking, exercise estimates, and kcal/Calorie comparisons.
Frequently Asked Questions
Related Tools
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