The result of your conversion between gallon [UK] of LPG and terajoule appears here
To convert between Gallon [UK] Of LPG and Terajoule you have to do the following:
First divide 100757838.45*1.20095 / 1.0e+12 = 0.00012101
Then multiply the amount of Gallon [UK] Of LPG you want to convert to Terajoule, use the chart below to guide you.
Symbol:
No description
Symbol: TJ
No description