The result of your conversion between ounce/gallon [US] and Iron appears here
To convert between Ounce/gallon [US] and Iron you have to do the following:
First divide (0.45359237/16)/0.0037854118 / 7658 = 0.00097795
Then multiply the amount of Ounce/gallon [US] you want to convert to Iron, use the chart below to guide you.
Symbol: oz/gal
No description
Symbol: iron
No description