Convert 100 Gigajoule to Joule: 100 Gigajoule in Joule
This calculator allows you to convert from Gigajoule to Joule and in a reverse direction. To convert from Gigajoule to Joule, enter the amount of Gigajoule into the first input and to convert from Joule to Gigajoule, enter the amount of Joule into the second input.