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