The result of your conversion between pound/cubic foot and pound/gallon [US] appears here
To convert between Pound/cubic Foot and Pound/gallon [US] you have to do the following:
First divide 0.45359237/((0.0037854118/231)*1728) / 0.45359237/0.0037854118 = 0.13368056
Then multiply the amount of Pound/cubic Foot you want to convert to Pound/gallon [US], use the chart below to guide you.
Symbol:
No description
Symbol:
No description