How many joules are in one calorie?
One calorie equals exactly 4.184 joules.
Converters
Calorie to Joule Converter
Convert calories to joules and joules to calories instantly with formulas, examples, and FAQs.
Tool
Calorie to Joule Converter
Convert calories to joules and joules to calories instantly with formulas, examples, and FAQs.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free online calorie to joule converter to quickly convert between calories (cal) and joules (J).
Conversion Formula
cal → J
J = cal × 4.184
J → cal
cal = J ÷ 4.184
Examples
- 1 cal = 4.184 J
- 100 cal = 418.4 J
- 1,000 J = 239.01 cal
Frequently Asked Questions
How do you convert calories to joules?
Multiply the calorie value by 4.184.
How do you convert joules to calories?
Divide the joule value by 4.184.
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