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