The result of your conversion between cawney and hectare appears here
To convert between Cawney and Hectare you have to do the following:
First divide (4/3) * (0.09290304*43560) / 10000 = 0.53958086
Then multiply the amount of Cawney you want to convert to Hectare, use the chart below to guide you.
Symbol: cawney
No description
Symbol: ha
No description