The result of your conversion between erg and pound/gallon [US] appears here
To convert between Erg and Pound/gallon [US] you have to do the following:
First divide 0.0000001 / 0.45359237/0.0037854118 = 0.
Then multiply the amount of Erg you want to convert to Pound/gallon [US], use the chart below to guide you.
Symbol: erg
No description
Symbol: lb/gal
No description