Unit ConversionCalories to Kilojoules Converter
Convert calories to kilojoules (cal to kJ) instantly with our free online converter. Accurate results with decimal precision.
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Have feedback? Report bugs, suggest features, or share your thoughts — we read them allHow to convert calories to kilojoules?
To convert calories to kilojoules, you can use the following conversion factor: **1 calorie = 0.004184 kilojoules**, multiply the number of calories by 0.004184.
E(kJ) = E(cal) × 0.004184
Example
Convert 239.006 cal to kilojoules:
E(kJ) = 239.006cal × 0.004184 = 1kJ
How many kilojoules in a calorie?
There are 0.004184 kilojoules in one calorie.
1cal = 0.004184kJ
1cal = 0.004184kJ
How many calories in a kilojoule?
There are 239.006 calories in one kilojoule.
1kJ = 239.006cal
1kJ = 239.006cal
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 calories to kilojoules conversion table
| Calories (cal) | Kilojoules (kJ) |
|---|---|
| 1 cal | 0.004184 kJ |
| 10 cal | 0.04184 kJ |
| 50 cal | 0.2092 kJ |
| 100 cal | 0.4184 kJ |
| 239.006 cal | 1 kJ |
| 500 cal | 2.092 kJ |
| 1000 cal | 4.184 kJ |
| 2000 cal | 8.368 kJ |
| 5000 cal | 20.92 kJ |
| 10000 cal | 41.84 kJ |
| 50000 cal | 209.2 kJ |
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