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Convert calories to joules. Completely free.
1 calorie is 4.184 joules. Type any value below for the exact answer. It all happens in this tab, with no account and no paid version.
Calories to joules converter
1 calorie=4.184 joules
Formulajoules = calories × 4.184
How to convert calories to joules
- Type a value, or a question like the one already filled in.
- The result appears as you type, alongside every related unit.
- Copy it.
Energy chart
| Calories | Joules |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 5 | 20.92 |
| 10 | 41.84 |
| 25 | 104.6 |
| 50 | 209.2 |
| 100 | 418.4 |
| 1,000 | 4,184 |
Questions
Is this calories to joules converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Does anything get sent to a server?
No. It all runs in your browser, so it keeps working once the page has loaded, even offline.
How do I convert calories to joules?
Use joules = calories × 4.184. 1 calorie is 4.184 joules. Type any value in the converter above, or a plain question like "5 cal in j".
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