The result of your conversion between dekatherm and petawatthour appears here
To convert between Dekatherm and Petawatthour you have to do the following:
First divide 1.055057e+09 / 3.6e+18 = 0.
Then multiply the amount of Dekatherm you want to convert to Petawatthour, use the chart below to guide you.
Symbol: dathm
No description
Symbol: PWh
No description