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