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Calories to Joules Converter

Convert calories and kilocalories to joules.

FreeRuns in browsercalories to joulescal to j

From

4.184

1 Calories (cal) = 4.184 Joules (J)

All conversions

Joules (J)4.184

Kilocalories (kcal)0.001

BTU0.004

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About Calories to Joules Converter

Convert calories and kilocalories to joules. Convert calories to joules online for free. Energy conversion tool with kilocalorie and BTU support. Configurable precision for scientific calculations. Supports instant bidirectional conversion with real-time results as you type. All conversion factors are sourced from verified scientific and engineering references for guaranteed accuracy. This tool specializes in converting from Calories to Joules, providing optimized defaults and precision for this specific direction. Looking for the reverse conversion? Try our Joules to Calories converter. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.

How to Use Calories to Joules Converter

Enter a value in the input field.
Select the source and target units from the dropdowns.
See the converted result instantly.

Frequently Asked Questions

What is Calories to Joules Converter?

Convert calories to joules online for free. Energy conversion tool with kilocalorie and BTU support. Configurable precision for scientific calculations.

How accurate are the conversions?

All conversion factors are sourced from internationally recognized standards and scientific references. Results are calculated with high decimal precision to ensure accuracy for both everyday use and professional applications.

Can I convert between different unit systems?

Yes, this converter supports cross-system conversions such as imperial to metric and vice versa. Simply select your source and target units from the dropdowns and the tool handles the rest automatically.

What units are supported?

The tool supports a wide range of commonly used units within its category, including both standard and less common variants. All available units are listed in the dropdown menus so you can quickly find the one you need.

Is Calories to Joules Converter free to use?

Absolutely. This converter is 100% free with no registration required. It runs entirely in your browser, so there are no usage limits or hidden costs.

Is my data safe when using Calories to Joules Converter?

Yes, your data is completely safe. All conversions are calculated locally in your browser. No values are sent to any server, and nothing is stored or logged.

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