Convert Calories to Kilojoules
Enter a value in calories to instantly convert to kilojoules. See the conversion formula, a table of common values, and copy the result.
Calories to Kilojoules
Kilojoules = Calories × 0.004184
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Common Conversions
| Calories (cal) | Kilojoules (kJ) |
|---|---|
| 1 cal | 0.004184 kJ |
| 5 cal | 0.02092 kJ |
| 10 cal | 0.04184 kJ |
| 25 cal | 0.1046 kJ |
| 50 cal | 0.2092 kJ |
| 100 cal | 0.4184 kJ |
| 250 cal | 1.046 kJ |
| 500 cal | 2.092 kJ |
| 1,000 cal | 4.184 kJ |
| 5,000 cal | 20.92 kJ |
How to Use the Calories to Kilojoules Converter
1
Enter the value in calories you want to convert.
2
The result in kilojoules is displayed instantly.
3
Copy the result or swap the units to convert in the opposite direction.
Frequently Asked Questions
How many kilojoules in one calories?
There are 0.004184 kilojoules in one calories (1 cal = 0.004184 kJ).
What is the formula to convert calories to kilojoules?
Multiply the value in calories by 0.004184. Formula: Kilojoules = Calories × 0.004184.
Is the converter accurate?
Yes, this converter uses precise conversion factors and is suitable for everyday calculations, academic work, and professional use.