How to Convert Calories (kcal) to Joules
To convert from Calories (kcal) (kcal) to Joules (J), apply the following formula:
J = kcal × 4184
Example: 1 kcal = 4184 J
Quick Reference Table
Common calories (kcal) to joules conversions:
| Calories (kcal) (kcal) | Joules (J) |
|---|---|
| 1 kcal | 4184 J |
| 2 kcal | 8368 J |
| 5 kcal | 20920 J |
| 10 kcal | 41840 J |
| 25 kcal | 104600 J |
| 50 kcal | 209200 J |
| 100 kcal | 418400 J |
| 250 kcal | 1046000 J |
| 500 kcal | 2092000 J |
| 1000 kcal | 4184000 J |
Use our converter above for precise values at any input.
About Calories (kcal) and Joules
Calories (kcal) (kcal) and Joules (J) 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.