The result of your conversion between cawney and pyong appears here
To convert between Cawney and Pyong you have to do the following:
First divide (4/3) * (0.09290304*43560) / 3.306 = 1632.12600218
Then multiply the amount of Cawney you want to convert to Pyong, use the chart below to guide you.
Symbol: cawney
No description
Symbol: pyong
No description