cup ¼ cup â
cup ½ cup â
cup ¾ cup There are 8 oz in a cup, and 4 cups in 32 oz. 1 cup of all purpose flour equals 4.4 oz or 4 2/5 ounces. This might be confusing since both weight also is composed of ounces. Therefore, eight ounces go for one cup. Here: Cups = volume; oz = weight. Take advantage of foam cups for one-time use at your coffee bar or for fountain drinks. âºâº Quick conversion chart of oz to cup [US] 1 oz to cup [US] = 0.125 cup [US] It is not that easy to remember those conversions. This answer is strictly from a US perspective. Siptown 8 oz Disposable Insulated Hot Drink Coffee Tea Corrugated Ripple Sleeve Paper Cups, 50 Pack, Black Lids, Kraft Made in USA 3.8 out of 5 stars 15 $19.99 $ 19 . The conversion factor from fluid ounces to cups is 0.125, which means that 1 fluid ounce is equal to 0.125 cups: 1 fl oz = 0.125 cup.