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