The result of your conversion between pound/gallon [US] and Iron appears here
To convert between Pound/gallon [US] and Iron you have to do the following:
First divide 0.45359237/0.0037854118 / 7658 = 0.01564722
Then multiply the amount of Pound/gallon [US] you want to convert to Iron, use the chart below to guide you.
Symbol: lb/gal
No description
Symbol: iron
No description