1 kilojoule = 0.239006 kilocalories
Convert kilojoules to kilocalories.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
kcal = kJ × 0.239006
Worked through with a real value: 10 kilojoules = 2.39006 kilocalories.
Going the other way: kJ = kcal × 4.184, so 1 kilocalorie = 4.184 kilojoules.
What each unit is
- kilojoule kJ
- A thousand joules, the everyday metric unit for food energy and machine work.
- kilocalorie kcal
- 1,000 thermochemical calories, also called a food Calorie or kilogram calorie. Nutrition labels use this unit.
Conversion tables
| kilojoules (kJ) | kilocalories (kcal) |
|---|---|
| 1 | 0.239006 |
| 2 | 0.478011 |
| 3 | 0.717017 |
| 4 | 0.956023 |
| 5 | 1.19503 |
| 6 | 1.43403 |
| 7 | 1.67304 |
| 8 | 1.91205 |
| 9 | 2.15105 |
| 10 | 2.39006 |
| 20 | 4.78011 |
| 25 | 5.97514 |
| 50 | 11.9503 |
| 75 | 17.9254 |
| 100 | 23.9006 |
| kilocalories (kcal) | kilojoules (kJ) |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 3 | 12.552 |
| 4 | 16.736 |
| 5 | 20.92 |
| 6 | 25.104 |
| 7 | 29.288 |
| 8 | 33.472 |
| 9 | 37.656 |
| 10 | 41.84 |
| 20 | 83.68 |
| 25 | 104.6 |
| 50 | 209.2 |
| 75 | 313.8 |
| 100 | 418.4 |
Questions
How many kilocalories are in a kilojoule?
1 kilojoule = 0.239006 kilocalories.
How do I convert kilojoules to kilocalories?
Use kcal = kJ × 0.239006. For example, 10 kilojoules = 2.39006 kilocalories.
How many kilojoules are in one kilocalorie?
1 kilocalorie = 4.184 kilojoules.
What is 10 kilojoules in kilocalories?
10 kilojoules = 2.39006 kilocalories.
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