Instantly Convert Horsepower (hp) to Kilowatts (kW) including other Power Conversions online with Kw to Hp Calculator from Toponlinetool. Visit the website and have a look at the kilowatt to hp conversion chart. It is easy and simple to use. You just need to enter the value in KW and click on the Convert button. Get the result in mechanical horsepower hp(I), electrical horsepower hp(E) and metric horsepower hp(M) - displayed in single window.