The result of your conversion between picojoule and horsepower hour appears here
To convert between Picojoule and Horsepower Hour you have to do the following:
First divide 1.0e-12 / 2684519.5 = 0.
Then multiply the amount of Picojoule you want to convert to Horsepower Hour, use the chart below to guide you.
Symbol: pJ
No description
Symbol: hph
No description