The result of your conversion between gigacalorie [I.T.] and terajoule appears here
To convert between Gigacalorie [I.T.] and Terajoule you have to do the following:
First divide 4186800000 / 1.0e+12 = 0.0041868
Then multiply the amount of Gigacalorie [I.T.] you want to convert to Terajoule, use the chart below to guide you.
Symbol: Gcal
No description
Symbol: TJ
No description