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