How to convert calories to joules
Multiply the value in calories by 4.184.
Example: 25 calories = 25 × 4.184 = 104.6 joules.
Calories to joules table
| calories | joules |
|---|---|
| 0.01 | 0.04184 |
| 0.1 | 0.4184 |
| 0.5 | 2.092 |
| 1 | 4.184 |
| 2 | 8.368 |
| 3 | 12.552 |
| 4 | 16.736 |
| 5 | 20.92 |
| 6 | 25.104 |
| 7 | 29.288 |
| 8 | 33.472 |
| 9 | 37.656 |
| 10 | 41.84 |
| 15 | 62.76 |
| 20 | 83.68 |
| 25 | 104.6 |
| 30 | 125.52 |
| 50 | 209.2 |
| 75 | 313.8 |
| 100 | 418.4 |
| 250 | 1,046 |
| 500 | 2,092 |
| 1,000 | 4,184 |
What is a calorie?
The calorie (cal) is a unit of energy, equal to 4.184 joules.
What is a joule?
The joule (J) is a unit of energy, equal to 1 joule.
Frequently asked questions
How many joules are in 1 calorie?
1 calorie = 4.184 joules.
How do I convert calories to joules?
Multiply the value in calories by 4.184.
What is 25 cal in J?
25 calories = 104.6 joules.