The result of your conversion between zettawatthour and petawatthour appears here
To convert between Zettawatthour and Petawatthour you have to do the following:
First divide 3.6e+24 / 3.6e+18 = 1000000.
Then multiply the amount of Zettawatthour you want to convert to Petawatthour, use the chart below to guide you.
Symbol: ZWh
No description
Symbol: PWh
No description