Convert kilocalorie to joule
Here you can quickly calculate how many joule fit in one kilocalorie.
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- 1 kcal = 4184 J
- 1 J = 0.000239 kcal
Example: kilocalorie to joule
- 1 kilocalorie = 4184 joule
Kilocalorie to joule conversion table
| kilocalorie | joule |
|---|---|
| 1 | 4184 |
| 2 | 8368 |
| 5 | 20920 |
| 10 | 41840 |
| 20 | 83680 |
| 50 | 209200 |
| 100 | 418400 |
Kilocalorie to joule formula
To convert kilocalorie to joule, multiply by 4184.
1 kcal = 4184 J
Example: 1 kilocalorie = 4184 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 kilocalorie and joule conversion quiz
Score:
0
50 joule equals 0.012 kilocalorie.
Correct answer: 50 joule = 0.012 kilocalorie.
100 joule equals 0.0239 kilocalorie.
Correct answer: 100 joule = 0.0239 kilocalorie.
100 joule equals 0.00239 kilocalorie.
Correct answer: 100 joule = 0.0239 kilocalorie.
1 kilocalorie equals 2.09e+4 joule.
Correct answer: 1 kilocalorie = 4.18e+3 joule.
20 joule equals 0.00478 kilocalorie.
Correct answer: 20 joule = 0.00478 kilocalorie.