The result of your conversion between hectojoule and megawatthour appears here
To convert between Hectojoule and Megawatthour you have to do the following:
First divide 100 / 3.6e+09 = 0.00000003
Then multiply the amount of Hectojoule you want to convert to Megawatthour, use the chart below to guide you.
Symbol: hJ
No description
Symbol: MWh
No description