The result of your conversion between zeptojoule and femtojoule appears here
To convert between Zeptojoule and Femtojoule you have to do the following:
First divide 1.0e-21 / 1.0e-15 = 0.000001
Then multiply the amount of Zeptojoule you want to convert to Femtojoule, use the chart below to guide you.
Symbol: zJ
No description
Symbol: fJ
No description