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Utility

Energy Converter

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Convert energy units — joule, kilojoule, calorie, kilocalorie, watt-hour, kilowatt-hour, BTU and foot-pound — instantly. Free, private, accurate.

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Privacy & Security

All processing happens locally in your browser — nothing is uploaded.

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update v1.0
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How to Use

Enter an energy value and unit to see all conversions.

Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.

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