Calorie to Joule
Convert Calorie to Joule instantly. Free online engineering unit converter with exact formula, conversion table and FAQ.
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Formula
J = cal × 4.184
cal = J × 0.239006
Conversion table
| 1 cal | 4.184 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 |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the Calorie (cal). A thermochemical calorie is 4.184 joules.
What is the destination unit in this conversion?
The destination unit is the Joule (J). The joule is the SI derived unit of energy.
How do I convert Calorie to Joule?
Multiply the Calorie value by 4.184. For example, 10 cal × 4.184 = 41.84 J.
Is the Calorie to Joule conversion exact?
Yes. Both units belong to the same engineering measurement family (energy), so the ratio between them is a fixed, defined value rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in Calorie needs to be compared with, or reported in, Joule, such as in engineering, scientific, or industrial calculations.
Can I convert Joule back to Calorie?
Yes. Multiply the Joule value by 0.239006 to get Calorie.
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About this conversion
This page converts Calorie (cal) to Joule (J) within the engineering converter.
A thermochemical calorie is 4.184 joules. The joule is the SI derived unit of energy.
The formula is J = cal × 4.184, based on each unit's fixed relationship to the energy base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common Calorie values already converted to Joule.