Convert Calories to Joules
Convert calories to joules online. Fast, accurate, and free.
How to Convert Calories to Joules
- Enter the value in Calories in the input field.
- The converted result in Joules appears instantly.
- Click the copy button to save the result to your clipboard.
- Use the swap button to reverse the conversion direction.
Quick Reference
| Calories | Joules |
|---|---|
| 1 Calories | 4.184 Joules |
| 10 Calories | 41.84 Joules |
| 100 Calories | 418.4 Joules |
| 500 Calories | 2,092 Joules |
| 1,000 Calories | 4,184 Joules |
Use Cases
- •Comparing energy consumption between appliances or systems.
- •Converting nutritional energy values between calories and joules.
- •Understanding electricity bills and energy efficiency ratings.
- •Solving physics problems involving different energy units.
Formula
To convert calories to joules, multiply by 4.184.
Frequently Asked Questions
How many joules is 1 calorie?
1 calorie = 4.184 joules.
How to convert 500 calories to joules?
500 × 4.184 = 2092 joules.
Why is 1 calorie exactly 4.184 joules?
The thermochemical calorie is defined as the amount of heat needed to raise 1 gram of water by 1°C, which equals exactly 4.184 joules.