Generally it is reckoned that 1 cup is 8oz, or 1 oz is 1/8 cup. But it is arguable that a cup is a measure of volume, not weight, so beware. If the recipe says "cups" then use cups. if it says oz, or...
Zero.its like negative something....cups cant fit in an ounce. There are 8 oz. in a cup thoughWell it wouldn't be negative something, it would be fraction something. To convert floz to cups multiply...