The result of your conversion between square fathom and cawney appears here
To convert between Square Fathom and Cawney you have to do the following:
First divide 3.3445228 / (4/3) * (0.09290304*43560) = 0.00061984
Then multiply the amount of Square Fathom you want to convert to Cawney, use the chart below to guide you.
Symbol: ftm
No description
Symbol: cawney
No description