Convert kJ to kcal instantly — formula, worked examples and a conversion table of common values.
Convert kilojoules (kJ) to kilocalories (kcal). Enter a value on either side and the other updates instantly — nothing is sent to a server.
One kilojoule equals 0.239006 kcal. The table below lists the values people look up most often, and each one links to a page with the worked calculation.
kcal = kJ ÷ 4.184| Kilojoule (kJ) | Kilocalorie (food Calorie) (kcal) |
|---|---|
| 0.1 | 0.0239006 |
| 0.5 | 0.119503 |
| 1 | 0.239006 |
| 2 | 0.478011 |
| 3 | 0.717017 |
| 5 | 1.19503 |
| 10 | 2.39006 |
| 15 | 3.58509 |
| 20 | 4.78011 |
| 25 | 5.97514 |
| 50 | 11.9503 |
| 75 | 17.9254 |
| 100 | 23.9006 |
| 250 | 59.7514 |
| 500 | 119.503 |
| 1,000 | 239.006 |
1 kilojoule = 0.239006 kcal.
10 kJ = 2.3901 kcal.
100 kJ = 23.9006 kcal.
Use the formula kcal = kJ ÷ 4.184. Or type any value into the converter above — it works in both directions.