Energy converters

Convert joules, kilocalories, watt-hours, kilowatt-hours, and BTU. A food Calorie is 1 kcal = 4,184 J.

Area, volume (US liquid gallons unless a page says otherwise), speed, data, time, energy, pressure, power, angle, and frequency families.

Energy Converter

Convert energy between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, and British thermal units, for example for food labels, electricity bills, or heating specifications.

Energy

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