The result of your conversion between Btu and dekatherm appears here
To convert between Btu and Dekatherm you have to do the following:
First divide 1055.0559 / 1.055057e+09 = 0.000001
Then multiply the amount of Btu you want to convert to Dekatherm, use the chart below to guide you.
Symbol: Btu
No description
Symbol: dathm
No description