The result of your conversion between mu and square fathom appears here
To convert between Mu and Square Fathom you have to do the following:
First divide (1/15)*10000 / 3.3445228 = 199.33087814
Then multiply the amount of Mu you want to convert to Square Fathom, use the chart below to guide you.
Symbol: mu
No description
Symbol: ftm
No description