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