The result of your conversion between petajoule and megawatthour appears here
To convert between Petajoule and Megawatthour you have to do the following:
First divide 1.0e+15 / 3.6e+09 = 277777.77777778
Then multiply the amount of Petajoule you want to convert to Megawatthour, use the chart below to guide you.
Symbol: PJ
No description
Symbol: MWh
No description