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