The result of your conversion between Copper and grain/quart [UK] appears here
To convert between Copper and Grain/quart [UK] you have to do the following:
First divide 8906 / ((0.45359237/16)*(192/175)/480)/(0.00454609/4) = 156204.31555099
Then multiply the amount of Copper you want to convert to Grain/quart [UK], use the chart below to guide you.
Symbol: copper
No description
Symbol: gr/qt
No description