Convert joule to calorie
Here you can quickly calculate how many calorie fit in one joule.
Only numbers, with a single decimal separator.
write a number and we convert instantly
- scroll: formula · table · questions -
- 1 J = 0.239006 cal
- 1 cal = 4.184 J
Example: joule to calorie
- 1 joule = 0.239006 calorie
Joule to calorie conversion table
| joule | calorie |
|---|---|
| 1 | 0.239006 |
| 2 | 0.478011 |
| 5 | 1.195029 |
| 10 | 2.390057 |
| 20 | 4.780115 |
| 50 | 11.950287 |
| 100 | 23.900574 |
Joule to calorie formula
To convert joule to calorie, multiply by 0.239006.
1 J = 0.239006 cal
Example: 1 joule = 0.239006 calorie
Common energy conversion mistakes
-
Food 'calories' are actually kilocalories: 1 kcal = 1,000 cal. A '500-calorie' meal therefore contains 500 kcal, half a million small calories. Labels write the same thing as 'kcal' or as 'Cal' with a capital C.
Quick joule and calorie conversion quiz
Score:
0
189 joule equals 40.7 calorie.
Correct answer: 189 joule = 45.2 calorie.
2.3 joule equals 0.632 calorie.
Correct answer: 2.3 joule = 0.55 calorie.
14.9 joule equals 3.03 calorie.
Correct answer: 14.9 joule = 3.56 calorie.
124 calorie equals 597 joule.
Correct answer: 124 calorie = 519 joule.