The result of your conversion between grain/cubic foot and pound/gallon [US] appears here
To convert between Grain/cubic Foot and Pound/gallon [US] you have to do the following:
First divide ((0.45359237/16)*(192/175)/480)/((0.0037854118/231)*1728) / 0.45359237/0.0037854118 = 0.0000191
Then multiply the amount of Grain/cubic Foot you want to convert to Pound/gallon [US], use the chart below to guide you.
Symbol: gr/ft³
No description
Symbol: lb/gal
No description