The result of your conversion between femtonewton and pound-force appears here
To convert between Femtonewton and Pound-force you have to do the following:
First divide 1.0e-15 / 4.4482216 = 0.
Then multiply the amount of Femtonewton you want to convert to Pound-force, use the chart below to guide you.
Symbol: fN
No description
Symbol: lbf
No description