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