The result of your conversion between calorie [15° C] and dekatherm appears here
To convert between Calorie [15° C] and Dekatherm you have to do the following:
First divide 4.1858 / 1.055057e+09 = 0.
Then multiply the amount of Calorie [15° C] you want to convert to Dekatherm, use the chart below to guide you.
Symbol: cal
No description
Symbol: dathm
No description