The result of your conversion between pound-force and teranewton appears here
To convert between Pound-force and Teranewton you have to do the following:
First divide 4.4482216 / 1.0e12 = 0.
Then multiply the amount of Pound-force you want to convert to Teranewton, use the chart below to guide you.
Symbol: lbf
No description
Symbol: TN
No description