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