The result of your conversion between petajoule and terawatthour appears here
To convert between Petajoule and Terawatthour you have to do the following:
First divide 1.0e+15 / 3.6e+15 = 0.27777778
Then multiply the amount of Petajoule you want to convert to Terawatthour, use the chart below to guide you.
Symbol: PJ
No description
Symbol: TWh
No description