Kilowatt hours to horsepower-hour converter above calculates how many horsepower-hour are in 'X' kilowatt hours (where 'X' is the number of kilowatt hours to convert to horsepower-hour). In order to convert a value from kilowatt hours to horsepower-hour (from kWh to hph) type the number of kWh to be converted to hph and then click on the 'convert' button.