The result of your conversion between square thou and square perche appears here
To convert between Square Thou and Square Perche you have to do the following:
First divide 6.4516E-10 / 51.072 = 0.
Then multiply the amount of Square Thou you want to convert to Square Perche, use the chart below to guide you.
Symbol: sq thou
No description
Symbol: sq perche
No description