Convert 4 Horsepower to Millijoule/second: 4 Horsepower in Millijoule/second
This calculator allows you to convert from Horsepower to Millijoule/second and in a reverse direction. To convert from Horsepower to Millijoule/second, enter the amount of Horsepower into the first input and to convert from Millijoule/second to Horsepower, enter the amount of Millijoule/second into the second input.