The result of your conversion between ounce/cubic foot and grain/ounce [UK] appears here
To convert between Ounce/cubic Foot and Grain/ounce [UK] you have to do the following:
First divide (0.45359237/16)/((0.0037854118/231)*1728) / ((0.45359237/16)*(192/175)/480)/(0.00454609/160) = 0.43898655
Then multiply the amount of Ounce/cubic Foot you want to convert to Grain/ounce [UK], use the chart below to guide you.
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