The result of your conversion between jerib and cawney appears here
To convert between Jerib and Cawney you have to do the following:
First divide 2000 / (4/3) * (0.09290304*43560) = 0.37065807
Then multiply the amount of Jerib you want to convert to Cawney, use the chart below to guide you.
Symbol: jerib
No description
Symbol: cawney
No description