Calories to Joules
Convert calories to joules — type a value in either box for an instant result.
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Joules
1 cal = 4.184 J · multiply by 4.184
| Calories | Joules |
|---|---|
| 1 cal | 4.184 J |
| 2 cal | 8.368 J |
| 3 cal | 12.552 J |
| 5 cal | 20.92 J |
| 10 cal | 41.84 J |
| 25 cal | 104.6 J |
| 50 cal | 209.2 J |
| 100 cal | 418.4 J |
How to use
- Type a value in either field.
- The other unit updates instantly.
- Use the reference table for common values.
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FAQ
How many joules are in a calorie?
1 cal = 4.184 J.
Is this converter free?
Yes — it runs instantly in your browser, with no signup.
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