This calculator allows you to convert from Gigaton to Joule and in a reverse direction. To convert from Gigaton to Joule, enter the amount of Gigaton into the first input and to convert from Joule to Gigaton, enter the amount of Joule into the second input.
1 Gigaton = 4.184E+18 Joule
To convert Gigaton to Joule: Every 1 Gigaton equals 4.184E+18 Joule. For example, 100 Gigaton equal 100 * 4.184E+18 = 4.184E+20 Joule and so on..
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