The result of your conversion between yoctojoule and zeptojoule appears here
To convert between Yoctojoule and Zeptojoule you have to do the following:
First divide 1.0e-24 / 1.0e-21 = 0.001
Then multiply the amount of Yoctojoule you want to convert to Zeptojoule, use the chart below to guide you.
Symbol: yJ
No description
Symbol: zJ
No description