Convert joule to kilocalorie
Here you can quickly calculate how many kilocalorie fit in one joule.
Only numbers, with a single decimal separator.
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- scroll: formula · table · questions -
- 1 J = 0.000239 kcal
- 1 kcal = 4184 J
Example: joule to kilocalorie
- 1 joule = 0.000239 kilocalorie
Joule to kilocalorie conversion table
| joule | kilocalorie |
|---|---|
| 1 | 0.000239 |
| 2 | 0.000478 |
| 5 | 0.001195 |
| 10 | 0.00239 |
| 20 | 0.00478 |
| 50 | 0.01195 |
| 100 | 0.023901 |
Joule to kilocalorie formula
To convert joule to kilocalorie, divide by 4184.
1 J = 0.000239 kcal
Example: 1 joule = 0.000239 kilocalorie
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 joule and kilocalorie conversion quiz
Score:
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25 kilocalorie equals 1.05e+5 joule.
Correct answer: 25 kilocalorie = 1.05e+5 joule.
20 kilocalorie equals 8.37e+5 joule.
Correct answer: 20 kilocalorie = 8.37e+4 joule.
5 kilocalorie equals 2.09e+4 joule.
Correct answer: 5 kilocalorie = 2.09e+4 joule.
10 kilocalorie equals 4.18e+4 joule.
Correct answer: 10 kilocalorie = 4.18e+4 joule.