The result of your conversion between dekatherm and therm [Europe] appears here
To convert between Dekatherm and Therm [Europe] you have to do the following:
First divide 1.055057e+09 / 1.0550559e+08 = 10.00001043
Then multiply the amount of Dekatherm you want to convert to Therm [Europe], use the chart below to guide you.
Symbol: dathm
No description
Symbol: thm
No description