The result of your conversion between thermie and gigajoule appears here
To convert between Thermie and Gigajoule you have to do the following:
First divide 4185800 / 1.0e+09 = 0.0041858
Then multiply the amount of Thermie you want to convert to Gigajoule, use the chart below to guide you.
Symbol: th
No description
Symbol: GJ
No description