The result of your conversion between stremma and cawney appears here
To convert between Stremma and Cawney you have to do the following:
First divide 1000 / (4/3) * (0.09290304*43560) = 0.18532904
Then multiply the amount of Stremma you want to convert to Cawney, use the chart below to guide you.
Symbol: stremma
No description
Symbol: cawney
No description