The result of your conversion between yottajoule and gigajoule appears here
To convert between Yottajoule and Gigajoule you have to do the following:
First divide 1.0e+24 / 1.0e+09 = 1000000000000000.
Then multiply the amount of Yottajoule you want to convert to Gigajoule, use the chart below to guide you.
Symbol: yJ
No description
Symbol: GJ
No description