Horsepower (metric) to kilowatts conversion calculator shown above calculates how many kilowatts are in 'X' horsepower (metric) (where 'X' is the number of horsepower (metric) to convert to kilowatts). In order to convert a value from horsepower (metric) to kilowatts (from hp to kW) just type the number of hp to be converted to kW and then click on the 'convert' button.