Kilojoules to Calories Converter
Convert kilojoules to calories (kJ to cal) instantly with our free online converter. Accurate results with decimal precision.
All energy units in one place — try the unified converter→How to convert kilojoules to calories?
To convert kilojoules to calories, you can use the following conversion factor: **1 kilojoule = 239.006 calories**, multiply the number of kilojoules by 239.006.
E(cal) = E(kJ) × 239.006
Example
Convert 0.004184 kJ to calories:
E(cal) = 0.004184kJ × 239.006 = 1cal
How many calories in a kilojoule?
There are 239.006 calories in one kilojoule.
1kJ = 239.006cal
1kJ = 239.006cal

How many kilojoules in a calorie?
There are 0.004184 kilojoules in one calorie.
1cal = 0.004184kJ
1cal = 0.004184kJ
What is a Calorie?
A calorie is a unit of energy commonly used in nutrition to measure the energy content of food. It is defined as the amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius.
Popular kilojoules to calories conversion table
| Kilojoules (kJ) | Calories (cal) |
|---|---|
| 0.004184 kJ | 1 cal |
| 0.01 kJ | 2.39006 cal |
| 0.1 kJ | 23.9006 cal |
| 0.5 kJ | 119.503 cal |
| 1 kJ | 239.006 cal |
| 2 kJ | 478.012 cal |
| 5 kJ | 1195.03 cal |
| 10 kJ | 2390.06 cal |
| 20 kJ | 4780.12 cal |
| 50 kJ | 11950.3 cal |
| 100 kJ | 23900.6 cal |
