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