Convert kilojoules to kilocalories quickly and accurately using this free online converter
Used in nutrition labels, physics, and electricity consumption.
💡 Calories (kcal) are used in food; joules in science; kWh in electricity.
kcal = kJ × 0.239006
Example: 1 kJ × 0.239006 = 0.239006 kcal
Use kcal for food; kWh for energy consumption; joules for science.
Common uses: nutrition, electricity bills, and scientific calculations.
How do I convert kJ to kcal?
Multiply the value in Kilojoules by 0.239006. For example: 10 kJ = 2.3901 kcal.
When should I use Kilocalories instead of Kilojoules?
Use kcal for food; kWh for energy consumption; joules for science.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Kilojoules (kJ) | Kilocalories (kcal) |
|---|---|
| 1 kJ | 0.239006 kcal |
| 10 kJ | 2.3901 kcal |
| 50 kJ | 11.9503 kcal |
| 100 kJ | 23.9006 kcal |
| 250 kJ | 59.7514 kcal |
| 500 kJ | 119.5029 kcal |
| 1000 kJ | 239.0057 kcal |
| 2000 kJ | 478.0115 kcal |