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