The result of your conversion between femtonewton and dekagram-force appears here
To convert between Femtonewton and Dekagram-force you have to do the following:
First divide 1.0e-15 / 0.00980665*10 = 0.
Then multiply the amount of Femtonewton you want to convert to Dekagram-force, use the chart below to guide you.
Symbol: fN
No description
Symbol: dkgf
No description