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