Convert Calories to Joules
Enter a value in calories to instantly convert to joules. See the conversion formula, a table of common values, and copy the result.
Calories to Joules
Joules = Calories × 4.184
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Common Conversions
| Calories (cal) | Joules (J) |
|---|---|
| 1 cal | 4.184 J |
| 5 cal | 20.92 J |
| 10 cal | 41.84 J |
| 25 cal | 104.6 J |
| 50 cal | 209.2 J |
| 100 cal | 418.4 J |
| 250 cal | 1,046 J |
| 500 cal | 2,092 J |
| 1,000 cal | 4,184 J |
| 5,000 cal | 20,920 J |
How to Use the Calories to Joules Converter
1
Enter the value in calories you want to convert.
2
The result in joules is displayed instantly.
3
Copy the result or swap the units to convert in the opposite direction.
Frequently Asked Questions
How many joules in one calories?
There are 4.184 joules in one calories (1 cal = 4.184 J).
What is the formula to convert calories to joules?
Multiply the value in calories by 4.184. Formula: Joules = Calories × 4.184.
Is the converter accurate?
Yes, this converter uses precise conversion factors and is suitable for everyday calculations, academic work, and professional use.