Power ConverterBy AiToolsWeb / September 21, 2026 From: Watt (W) Kilowatt (kW) Horsepower (hp) Metric Horsepower (PS) Joule per second (J/s) = To: Watt (W) Kilowatt (kW) Horsepower (hp) Metric Horsepower (PS) Joule per second (J/s)