The result of your conversion between piconewton and gram-force appears here
To convert between Piconewton and Gram-force you have to do the following:
First divide 1.0e-12 / 0.00980665 = 0.
Then multiply the amount of Piconewton you want to convert to Gram-force, use the chart below to guide you.
Symbol: pN
No description
Symbol: gf
No description