The result of your conversion between zeptojoule and attojoule appears here
To convert between Zeptojoule and Attojoule you have to do the following:
First divide 1.0e-21 / 1.0e-18 = 0.001
Then multiply the amount of Zeptojoule you want to convert to Attojoule, use the chart below to guide you.
Symbol: zJ
No description
Symbol: aJ
No description