Unit ConversionCalories to Joules Converter
Convert calories to joules (cal to J) instantly with our free online converter. Accurate results with decimal precision.
How to convert calories to joules?
To convert calories to joules, you can use the following conversion factor: **1 calorie = 4.184 joules**, multiply the number of calories by 4.184.
E(J) = E(cal) × 4.184
Example
Convert 1 cal to joules:
E(J) = 1cal × 4.184 = 4.184J
How many joules in a calorie?
There are 4.184 joules in one calorie.
1cal = 4.184J
1cal = 4.184J
How many calories in a joule?
There are 0.239006 calories in one joule.
1J = 0.239006cal
1J = 0.239006cal
What is a Calorie?
A calorie is a unit of energy commonly used in nutrition to measure the energy content of food. It is defined as the amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius.
Popular calories to joules conversion table
| Calories (cal) | Joules (J) |
|---|---|
| 0.1 cal | 0.4184 J |
| 0.5 cal | 2.092 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 | 2092 J |
| 1000 cal | 4184 J |
