The result of your conversion between dekatherm and terajoule appears here
To convert between Dekatherm and Terajoule you have to do the following:
First divide 1.055057e+09 / 1.0e+12 = 0.00105506
Then multiply the amount of Dekatherm you want to convert to Terajoule, use the chart below to guide you.
Symbol: dathm
No description
Symbol: TJ
No description