How to Convert Joules to Calories (kcal)
To convert from Joules (J) to Calories (kcal) (kcal), apply the following formula:
kcal = J ÷ 4184
Example: 4184 J = 1 kcal
Quick Reference Table
Common joules to calories (kcal) conversions:
| Joules (J) | Calories (kcal) (kcal) |
|---|---|
| 1 J | 1 kcal |
| 2 J | 2 kcal |
| 5 J | 5 kcal |
| 10 J | 10 kcal |
| 25 J | 25 kcal |
| 50 J | 50 kcal |
| 100 J | 100 kcal |
| 250 J | 250 kcal |
| 500 J | 500 kcal |
| 1000 J | 1000 kcal |
Use our converter above for precise values at any input.
About Joules and Calories (kcal)
Joules (J) and Calories (kcal) (kcal) are both energy units used in different measurement systems around the world. Our free converter lets you convert any value between them instantly without needing to remember the conversion factor.