Convert calorie to joule
Here you can quickly calculate how many joule fit in one calorie.
Only numbers, with a single decimal separator.
write a number and we convert instantly
- scroll: formula · table · questions -
- 1 cal = 4.184 J
- 1 J = 0.239006 cal
Example: calorie to joule
- 1 calorie = 4.184 joule
Calorie to joule conversion table
| calorie | joule |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 5 | 20.92 |
| 10 | 41.84 |
| 20 | 83.68 |
| 50 | 209.2 |
| 100 | 418.4 |
Calorie to joule formula
To convert calorie to joule, multiply by 4.184.
1 cal = 4.184 J
Example: 1 calorie = 4.184 joule
Common energy conversion mistakes
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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 calorie and joule conversion quiz
Score:
0
140 joule equals 33.5 calorie.
Correct answer: 140 joule = 33.5 calorie.
5.7 calorie equals 26.2 joule.
Correct answer: 5.7 calorie = 23.8 joule.
126 calorie equals 448 joule.
Correct answer: 126 calorie = 527 joule.