Unit Converter
Calories to Joules Converter
Convert calories (cal) to joules (j) instantly in your browser. 1 calorie = 4.184 joules.
How to convert calories to joules
Use the converter above, or multiply the calories value by 4.184. The formula is:
j = cal × 4.184
Calories to Joules conversion table
| Calories (cal) | Joules (j) |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 5 | 20.92 |
| 10 | 41.84 |
| 20 | 83.68 |
| 50 | 209.2 |
| 100 | 418.4 |
Common questions
How many joules in 1 calorie? 1 calorie = 4.184 joules.
How many calories in 1 joule? 1 joule = 0.239006 calories.
Is this converter accurate? It uses standard conversion factors and works entirely in your browser. For engineering/medical/financial decisions, verify with a trusted source.