The result of your conversion between quad and petawatthour appears here
To convert between Quad and Petawatthour you have to do the following:
First divide 1.0550559e+18 / 3.6e+18 = 0.29307108
Then multiply the amount of Quad you want to convert to Petawatthour, use the chart below to guide you.
Symbol: quad
No description
Symbol: PWh
No description