The result of your conversion between cawney and legua appears here
To convert between Cawney and Legua you have to do the following:
First divide (4/3) * (0.09290304*43560) / 17920000 = 0.00030111
Then multiply the amount of Cawney you want to convert to Legua, use the chart below to guide you.
Symbol: cawney
No description
Symbol: legua
No description