The result of your conversion between square perche and cawney appears here
To convert between Square Perche and Cawney you have to do the following:
First divide 51.072 / (4/3) * (0.09290304*43560) = 0.00946512
Then multiply the amount of Square Perche you want to convert to Cawney, use the chart below to guide you.
Symbol: sq perche
No description
Symbol: cawney
No description