The result of your conversion between femtonewton and petanewton appears here
To convert between Femtonewton and Petanewton you have to do the following:
First divide 1.0e-15 / 1.0e15 = 0.
Then multiply the amount of Femtonewton you want to convert to Petanewton, use the chart below to guide you.
Symbol: fN
No description
Symbol: PT
No description