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