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