How Many Joules in a Calorie?
Quick Answer
1 Calorie = 4.184 Joules
1 cal = 4.184 J
Formula
J = cal × 4.184
Conversion Table
| Calories (cal) | Joules (J) |
|---|---|
| 1 cal | 4.184 J |
| 2 cal | 8.368 J |
| 5 cal | 20.92 J |
| 10 cal | 41.84 J |
| 20 cal | 83.68 J |
| 50 cal | 209.2 J |
| 100 cal | 418.4 J |
| 500 cal | 2,092 J |
| 1,000 cal | 4,184 J |
Worked Examples
Convert 5 cal to J:
5 cal × 4.184 = 20.92 J
Convert 10 cal to J:
10 cal × 4.184 = 41.84 J
Convert 50 cal to J:
50 cal × 4.184 = 209.2 J
FAQ
How many Joules are in 1 Calorie?
There are 4.184 Joules in 1 Calorie. Formula: J = cal × 4.184.
How to convert Calories to Joules?
To convert Calories to Joules, multiply the number of Calories by 4.184. For example, 10 cal = 41.84 J.
How many Joules are in 100 Calories?
There are 418.4 Joules in 100 Calories. Calculation: 100 × 4.184 = 418.4.