The result of your conversion between dekatherm and gigajoule appears here
To convert between Dekatherm and Gigajoule you have to do the following:
First divide 1.055057e+09 / 1.0e+09 = 1.055057
Then multiply the amount of Dekatherm you want to convert to Gigajoule, use the chart below to guide you.
Symbol: dathm
No description
Symbol: GJ
No description