Convert kilojoule to kilocalorie
Here you can quickly calculate how many kilocalorie fit in one kilojoule.
Only numbers, with a single decimal separator.
write a number and we convert instantly
- scroll: formula · table · questions -
- 1 kJ = 0.239006 kcal
- 1 kcal = 4.184 kJ
Example: kilojoule to kilocalorie
- 1 kilojoule = 0.239006 kilocalorie
Kilojoule to kilocalorie conversion table
| kilojoule | kilocalorie |
|---|---|
| 1 | 0.239006 |
| 2 | 0.478011 |
| 5 | 1.195029 |
| 10 | 2.390057 |
| 20 | 4.780115 |
| 50 | 11.950287 |
| 100 | 23.900574 |
Kilojoule to kilocalorie formula
To convert kilojoule to kilocalorie, multiply by 0.239006.
1 kJ = 0.239006 kcal
Example: 1 kilojoule = 0.239006 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.
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The relationship is exact: 1 kWh = 3.6 MJ (3,600 kJ, because an hour has 3,600 seconds). The common slip is dividing when you should multiply: 10 kWh is 36 MJ, not 2.8. Remember the direction: kWh → MJ means times 3.6.
Quick kilojoule and kilocalorie conversion quiz
Score:
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18.9 kilojoule equals 4.52 kilocalorie.
Correct answer: 18.9 kilojoule = 4.52 kilocalorie.
125 kilocalorie equals 575 kilojoule.
Correct answer: 125 kilocalorie = 523 kilojoule.
18.5 kilojoule equals 5.08 kilocalorie.
Correct answer: 18.5 kilojoule = 4.42 kilocalorie.