Joule to Calorie Converter
Convert Joules to Calories
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How to Convert Joules to Calories
To convert joules to calories, divide the number of joules by 4.184. This is because 1 calorie is defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius, which is approximately 4.184 joules.
Formula
Calories = Joules ÷ 4.184
or
cal = J ÷ 4.184
Step-by-step process
- Take the measurement in joules
- Divide that number by 4.184
- The result is the equivalent energy in calories
Examples
- 100 joules = 100 ÷ 4.184 = 23.9 calories
- 500 joules = 500 ÷ 4.184 = 119.5 calories
- 1,000 joules = 1,000 ÷ 4.184 = 239 calories
Common Joules to Calories Conversions
Here is a table of common conversions for quick reference:
| Joules (J) | Calories (cal) | Joules (J) | Calories (cal) |
|---|---|---|---|
| 1 | 0.239 | 1,000 | 239.0057 |
| 10 | 2.39 | 5,000 | 1,195.0287 |
| 50 | 11.95 | 10,000 | 2,390.0574 |
| 100 | 23.90 | 50,000 | 11,950.287 |
| 500 | 119.50 | 100,000 | 23,900.574 |
Other conversions from joules
Joules can be converted to various other units of energy. Here are some common conversions:
Frequently Asked Questions
How many joules are in a calorie?
There are approximately 4.184 joules in one calorie.