Joule to Calorie Converter
1 Joule = 0.239006 Calorie
To convert joules to calories, multiply by 0.239006.
Conversions between Joule (J) and Calorie (cal) are essential in the energy category. This tool provides a quick, free, and accurate way to convert joules to calories for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.
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Formula
cal = J × 0.239005736
To convert Joule to Calorie, use the formula displayed above.
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Joule to Calorie: Quick Reference Table
| Joule (J) | Calorie (cal) |
|---|---|
| 0.001 | 0.000239 |
| 0.01 | 0.00239 |
| 0.1 | 0.023901 |
| 0.5 | 0.119503 |
| 1 | 0.239006 |
| 2 | 0.478011 |
| 5 | 1.195029 |
| 10 | 2.390057 |
| 25 | 5.975143 |
| 50 | 11.950287 |
| 100 | 23.900574 |
| 250 | 59.751434 |
| 500 | 119.502868 |
| 1000 | 239.005736 |
J to cal Formula and Examples
Direct Formula
cal = J × 0.239005736 Inverse Formula
J = cal × 4.184 Mental Math Shortcut
Divide the value by roughly 4.2 to quickly estimate the converted result.
Common Joule to Calorie Calculations
- 5 J = 1.195029 cal
- 10 J = 2.390057 cal
- 50 J = 11.950287 cal
- 100 J = 23.900574 cal
- 500 J = 119.502868 cal
How to Convert Joule to Calorie
How many calories are in a joule?
1 Joule (J) is equal to 0.239006 Calorie (cal). To convert joules to calories, multiply your value by 0.239006.
How do I convert joule to calorie?
To convert Joule to Calorie, use the formula: Calorie = Joule × 0.239006. For example, 5 J = 1.195029 cal.
What is the formula for J to cal?
The formula is: cal = J × 0.239006. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.