The result of your conversion between zettajoule and exawatt hour appears here
To convert between Zettajoule and Exawatt Hour you have to do the following:
First divide 1.0e+21 / 3.6e+21 = 0.27777778
Then multiply the amount of Zettajoule you want to convert to Exawatt Hour, use the chart below to guide you.
Symbol: zJ
No description
Symbol: EWh
No description