The result of your conversion between grain/ounce [UK] and grain/cubic foot appears here
To convert between Grain/ounce [UK] and Grain/cubic Foot you have to do the following:
First divide ((0.45359237/16)*(192/175)/480)/(0.00454609/160) / ((0.45359237/16)*(192/175)/480)/((0.0037854118/231)*1728) = 996.61367766
Then multiply the amount of Grain/ounce [UK] you want to convert to Grain/cubic Foot, use the chart below to guide you.
Symbol: gr/oz
No description
Symbol: gr/ft³
No description