The result of your conversion between cawney and square perche appears here
To convert between Cawney and Square Perche you have to do the following:
First divide (4/3) * (0.09290304*43560) / 51.072 = 105.65101353
Then multiply the amount of Cawney you want to convert to Square Perche, use the chart below to guide you.
Symbol: cawney
No description
Symbol: sq perche
No description