Convert 20 Gigajoule to Nanojoule: 20 Gigajoule in Nanojoule
This calculator allows you to convert from Gigajoule to Nanojoule and in a reverse direction. To convert from Gigajoule to Nanojoule, enter the amount of Gigajoule into the first input and to convert from Nanojoule to Gigajoule, enter the amount of Nanojoule into the second input.