100
Their are 8 ounces in a cup. Therefore, 30 fluid ounces would be 3 and 3/4 cups.
1 US fluid ounce = 1/8 US cups. To convert a value in US fluid ounces to US cups, divide by 8.
1 cup = 8 ounces1 ounce = 0.12 cup
fluid knowledge. 1 cup= 8 fluid ounce 2 cups= 16 fluid oz.