Energy Converter

Energy Converter: Convert joules, kilojoules, calories, watt-hours and British thermal units.

Energy Converter

Energy Converter: Enter an energy value and choose the desired unit conversion.

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How to use Energy Converter

Enter an energy value and choose the desired unit conversion.

Example

One kilowatt-hour equals 3,600,000 joules.

What to know

Calories here are thermochemical calories; food Calories correspond to kilocalories. BTU uses the International Table convention.