Calories to Joules
Convert calories To joules
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About this tool
Convert calories to joules instantly. 1 J ≈ 0.239 cal. A free online tool for quick and accurate unit conversion.
Use cases
- Comparing calories on a food label to kilojoules used in some countries
- Estimating home electricity use in kWh when appliance specs list joules
- Converting heating system output from BTU to kWh for energy cost comparison
Frequently asked questions
How do I convert calories to joules?
To convert calories to joules, use the formula: 1 J ≈ 0.239 cal. Enter the value in calories and get the result in joules.