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