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