Ounces per fluid ounce (US) to pounds per gallon (US) conversion calculator shown above calculates how many pounds per gallon (US) are in 'X' ounces per fluid ounce (US) (where 'X' is the number of ounces per fluid ounce (US) to convert to pounds per gallon (US)). In order to convert a value from ounces per fluid ounce (US) to pounds per gallon (US) (from oz/fl oz to lb/gal) just type the number of oz/fl oz to be converted to lb/gal and then click on the 'convert' button.