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