The result of your conversion between joule and horsepower hour appears here
To convert between Joule and Horsepower Hour you have to do the following:
First divide 1 / 2684519.5 = 0.00000037
Then multiply the amount of Joule you want to convert to Horsepower Hour, use the chart below to guide you.
Symbol: J
No description
Symbol: hph
No description