The result of your conversion between yottajoule and exawatt hour appears here
To convert between Yottajoule and Exawatt Hour you have to do the following:
First divide 1.0e+24 / 3.6e+21 = 277.77777778
Then multiply the amount of Yottajoule you want to convert to Exawatt Hour, use the chart below to guide you.
Symbol: yJ
No description
Symbol: EWh
No description