Power Converter — Power is energy per unit time. The watt is the SI unit. Horsepower persists in the US for engines, motors, and machinery; metric horsepower is used in the EU and Japan. BTU/h is common for heating and cooling capacity.
Conversions run locally in your browser. No values are sent anywhere.
Was Power Converter useful?
O que é Power Converter?
Power is energy per unit time. The watt is the SI unit. Horsepower persists in the US for engines, motors, and machinery; metric horsepower is used in the EU and Japan. BTU/h is common for heating and cooling capacity.
This converter uses the watt as the base. The math is local.
Como usar
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Enter a value
Type the power in any supported unit. The default is 1 kW.
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Pick the units
The from/to dropdowns cover all supported power units.
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Check the quick-reference table
For 1, 10, 100, 1000, 10000 W (or whatever the source unit is), the table shows the equivalent in the target unit.
Exemplos
100 hp to kW
A 100-horsepower engine is about 74.6 kW.
100 hp
Resultado: ≈ 74.6 kW
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Last reviewed: 2026-09-25