Calories to Joules Converter
1 calorie = 4.184 joules
1 joule = 0.2390057 calories
How to convert calories to joules
To convert calories to joules, multiply the value in calories by 4.184.
J = cal × 4.184
Example: 100 cal × 4.184 = 418.4 J
Calories to Joules conversion table
| Calorie (cal) | Joule (J) |
|---|---|
| 1 cal | 4.184 J |
| 2 cal | 8.368 J |
| 3 cal | 12.552 J |
| 4 cal | 16.736 J |
| 5 cal | 20.92 J |
| 6 cal | 25.104 J |
| 7 cal | 29.288 J |
| 8 cal | 33.472 J |
| 9 cal | 37.656 J |
| 10 cal | 41.84 J |
| 12 cal | 50.208 J |
| 15 cal | 62.76 J |
| 20 cal | 83.68 J |
| 25 cal | 104.6 J |
| 30 cal | 125.52 J |
| 40 cal | 167.36 J |
| 50 cal | 209.2 J |
| 60 cal | 251.04 J |
| 70 cal | 292.88 J |
| 75 cal | 313.8 J |
| 80 cal | 334.72 J |
| 90 cal | 376.56 J |
| 100 cal | 418.4 J |
| 150 cal | 627.6 J |
| 200 cal | 836.8 J |
| 250 cal | 1,046 J |
| 500 cal | 2,092 J |
| 1,000 cal | 4,184 J |
About these units
Calorie (cal)
The calorie (cal) is a unit of energy. 1 calorie equals 4.184 joules. This value is exact by definition.
Joule (J)
The joule (J) is a unit of energy in the International System of Units (SI). It is the reference unit for all energy conversions on this site.
Frequently asked questions
What is 1 calorie in joules?
1 calorie equals 4.184 joules.
How do I convert calories to joules?
To convert calories to joules, multiply the value in calories by 4.184. Example: 100 cal × 4.184 = 418.4 J
What is 100 cal in joules?
100 calories equals 418.4 joules.