The result of your conversion between petajoule and zettajoule appears here
To convert between Petajoule and Zettajoule you have to do the following:
First divide 1.0e+15 / 1.0e+21 = 0.000001
Then multiply the amount of Petajoule you want to convert to Zettajoule, use the chart below to guide you.
Symbol: PJ
No description
Symbol: zJ
No description