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