8 oz. to a cup measure, so 21 fl.oz. is 2 cups and 5 oz.
78 cups
That is 6 cups.
40 fl oz is 5 cups.
3.125 cups
1.37500 US cups ==
That is 2 cups.
8 fl ounces = 1 cup 16 fl ounces = 2 cups . . 40 fl ounces = 5 cups
16 oz is 2 cups
45
64
13
9 cups 3 ounces