Convert Joules to Calories
1 joule = 0.23900574 calories. Multiply the number of joules by 0.239005736138.
Joules to Calories table
| Joules | Calories |
|---|---|
| 1 J | 0.23900574 cal |
| 2 J | 0.47801147 cal |
| 3 J | 0.71701721 cal |
| 4 J | 0.95602294 cal |
| 5 J | 1.1950287 cal |
| 10 J | 2.3900574 cal |
| 20 J | 4.7801147 cal |
| 25 J | 5.9751434 cal |
| 50 J | 11.950287 cal |
| 100 J | 23.900574 cal |
| 500 J | 119.50287 cal |
| 1000 J | 239.00574 cal |
About these units
The joule (J) is an SI base or derived unit of energy & work.
The calorie (small) (cal) is a specialist or regional unit of energy & work, equal to 4.184 joules.
Going the other way, 1 calorie (small) = 4.184 joules. Diet calories, electricity bills in kilowatt-hours, boiler ratings in BTU and particle physics in electronvolts are all the same physical quantity. Convert energy across every scale from the atomic to the industrial.
Frequently asked
- How many calories are in a joule?
- 1 joule = 0.23900574 calories.
- How do you convert joules to calories?
- Multiply the number of joules by 0.239005736138.
- What is 10 J in cal?
- 10 J = 2.3900574 cal.