The result of your conversion between mu and square thou appears here
To convert between Mu and Square Thou you have to do the following:
First divide (1/15)*10000 / 6.4516E-10 = 1033335400004.13330078
Then multiply the amount of Mu you want to convert to Square Thou, use the chart below to guide you.
Symbol: mu
No description
Symbol: sq thou
No description