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