The result of your conversion between cawney and square perch appears here
To convert between Cawney and Square Perch you have to do the following:
First divide (4/3) * (0.09290304*43560) / 25.292954 = 213.33247841
Then multiply the amount of Cawney you want to convert to Square Perch, use the chart below to guide you.
Symbol: cawney
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Symbol: sq perch
No description