Energy Converter

Convert between Joules, Calories, kWh, and BTU.

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SI derived unit of energy.

History: Named after James Prescott Joule.

Heat needed to raise 1 gram of water by 1 °C (often kilocalories in nutrition).

History: Common in chemistry and nutrition.

What is a Energy Converter?

Converts between different units of energy.

Varies by unit.