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ConverterDockv2.0
ConverterDock Manual

How to Use: Energy & Power Converter

Convert Joules, Calories, Kilowatt-hours (kWh), BTU, Watts, and Horsepower (hp).

How to Use

  1. 1

    Select metric or imperial energy/power unit

  2. 2

    Type numerical value

  3. 3

    See instant output.

Formula & Legal Details

Energy units convert via the Joule (J) SI base: 1 Calorie = 4.184 J, 1 kWh = 3,600,000 J, 1 BTU = 1,055.06 J. Power: 1 Horsepower = 745.7 Watts.

Conversion Table

From UnitTo UnitConversion Ratio / Value
1 CalorieJoules4.184 J
1 Kilowatt-hourJoules3,600,000 J
1 BTUJoules1,055.06 J
1 HorsepowerWatts745.7 W

ConverterDock — Energy & Power Converter

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Frequently Asked Questions (FAQ)

1 mechanical Horsepower (hp) equals approximately 745.7 Watts.