The result of your conversion between dekatherm and erg appears here
To convert between Dekatherm and Erg you have to do the following:
First divide 1.055057e+09 / 0.0000001 = 10550570000000000.
Then multiply the amount of Dekatherm you want to convert to Erg, use the chart below to guide you.
Symbol: dathm
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Symbol: erg
No description