The result of your conversion between square angstrom and square foot appears here
To convert between Square Angstrom and Square Foot you have to do the following:
First divide 1.0E-20 / 0.09290304 = 0.
Then multiply the amount of Square Angstrom you want to convert to Square Foot, use the chart below to guide you.
Symbol: A²
No description
Symbol: ft2
No description