Establish the amount of braking horsepower you wish to convert to kilowatts.
Multiply the amount of braking horsepower by 0.7456999 to convert to kilowatts.
Example: 200 bhp x 0.7456999 = 149.13998 kilowatts (kW)
Divide your answer by 0.7456999 to check your calculations. If you arrive at your original number of braking horsepower then you have properly done your calculations.