The result of your conversion between horsepower hour and petajoule appears here
To convert between Horsepower Hour and Petajoule you have to do the following:
First divide 2684519.5 / 1.0e+15 = 0.
Then multiply the amount of Horsepower Hour you want to convert to Petajoule, use the chart below to guide you.
Symbol: hph
No description
Symbol: PJ
No description