Joules to Calories
Convert joules (J) to calories (cal) instantly. See the formula, reference table, and common conversions.
Primary conversion
1 joule=0.239006calories
1 J = 0.239006 cal
Formula
calories = joules × 0.239006
Multiply the number of joules by 0.239006 to get the value in calories.
Reference Table
| Joules (J) | Calories (cal) |
|---|---|
| 1 | 0.239 |
| 2 | 0.478 |
| 5 | 1.195 |
| 10 | 2.3901 |
| 25 | 5.9751 |
| 50 | 11.9503 |
| 100 | 23.9006 |
| 250 | 59.7514 |
| 500 | 119.5029 |
| 1000 | 239.0057 |
Frequently Asked Questions
How many calories are in 1 joule?
1 joule equals 0.239006 calories.
How do you convert joules to calories?
Multiply the number of joules by 0.239006 to get the value in calories. For example, 10 J = 2.3901 cal.
What is the formula for joules to calories?
calories = joules × 0.239006.
How do you convert calories back to joules?
Multiply calories by 4.184 to get joules. 1 cal = 4.184 J.