The result of your conversion between zettawatthour and petajoule appears here
To convert between Zettawatthour and Petajoule you have to do the following:
First divide 3.6e+24 / 1.0e+15 = 3600000000.
Then multiply the amount of Zettawatthour you want to convert to Petajoule, use the chart below to guide you.
Symbol: ZWh
No description
Symbol: PJ
No description