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