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