Energy Converter

Convert between all common energy units – metric and imperial.

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How do I convert energy units?

Choose the source and target unit and enter a value – the result appears instantly. "All units" shows the value in every energy unit.

Which energy units can I convert?

The following units: joules, kilojoules, megajoules, calories, kilocalories, watt-hours, kilowatt-hours, BTU, electronvolts.