The result of your conversion between watthour and petawatthour appears here
To convert between Watthour and Petawatthour you have to do the following:
First divide 3600 / 3.6e+18 = 0.
Then multiply the amount of Watthour you want to convert to Petawatthour, use the chart below to guide you.
Symbol: Wh
No description
Symbol: PWh
No description