Convert Joules to Calories
500 J = 119.5029 cal
cal = J ÷ 4.184Convert joules to calories instantly — type in either box and it works both ways.
How to convert joules to calories
To convert joules to calories, divide the number of joules by 4.184.
cal = J ÷ 4.184
Example: convert 500 J to cal
- 500 ÷ 4.184 = 119.5029
- 500 J = 119.5029 cal
1 J = 0.239006 cal and 1 cal = 4.184 J.
Joules to Calories conversion chart
| Joules (J) | Calories (cal) |
|---|---|
| 1 J | 0.239006 cal |
| 10 J | 2.3901 cal |
| 50 J | 11.9503 cal |
| 100 J | 23.9006 cal |
| 200 J | 47.8011 cal |
| 500 J | 119.5029 cal |
| 1,000 J | 239.0057 cal |
| 2,000 J | 478.0115 cal |
| 2,500 J | 597.5143 cal |
| 5,000 J | 1,195.03 cal |
Frequently asked questions
How do you convert joules to calories?
To convert joules to calories, divide the number of joules by 4.184. The formula is cal = J ÷ 4.184.
How many calories are in one joule?
1 J = 0.239006 cal.
How do I convert calories back to joules?
Use the reverse formula: J = cal × 4.184. For example 1 cal = 4.184 J.
Is this converter free and accurate?
Yes. It is free, uses exact internationally defined conversion factors, and runs in your browser — nothing you type is sent anywhere.
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