The result of your conversion between gigajoule and hectojoule appears here
To convert between Gigajoule and Hectojoule you have to do the following:
First divide 1.0e+09 / 100 = 10000000.
Then multiply the amount of Gigajoule you want to convert to Hectojoule, use the chart below to guide you.
Symbol: GJ
No description
Symbol: hJ
No description