The result of your conversion between zeptojoule and nanojoule appears here
To convert between Zeptojoule and Nanojoule you have to do the following:
First divide 1.0e-21 / 1.0e-09 = 0.
Then multiply the amount of Zeptojoule you want to convert to Nanojoule, use the chart below to guide you.
Symbol: zJ
No description
Symbol: nJ
No description