The result of your conversion between grain/quart [US] and pound/gallon [US] appears here
To convert between Grain/quart [US] and Pound/gallon [US] you have to do the following:
First divide ((0.45359237/16)*(192/175)/480)/(0.0037854118/4) / 0.45359237/0.0037854118 = 0.00057143
Then multiply the amount of Grain/quart [US] you want to convert to Pound/gallon [US], use the chart below to guide you.
Symbol:
No description
Symbol:
No description