You must specify WHICH cereal - they all have different weight/volume ratios.
That is approximately 2 cups.
24 oz
24 oz
3 cups in 24 ounces
3cups
About 6 cups.
59 fl oz.
24
192 oz
That is 24 fl oz.
3 cups = 24 fluid oz.
1 cup = 8 fl oz 2 cups = 16 fl oz 3 cups = 24 fl oz . . . 191 cups = 1,528 fl oz