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Unit Conversion Calculators
Power Converter
Convert a power rating between watts, kilowatts, horsepower and BTU per hour.
Converted value
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About the Power Converter
Power ratings appear in watts and kilowatts on electrical equipment, horsepower on engines and motors, and BTU per hour on heating and cooling appliances. This converter routes every unit through watts, the SI unit of power.
Formula: Result = (Value × Factorfrom→W) ÷ Factorto→W, where 1 mechanical horsepower = 745.7 W
Useful for comparing engine horsepower to electric motor wattage, or an air conditioner's BTU/h rating to kilowatts.
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