how many calories in a bowl of cereal?
(30-gram) serving, while heavier cereals use 2 oz. (55 grams). Most lighter cereals range from 100 calories per cup (think Cheerios or corn flakes) to about 150 calories (Honey Nut Cheerios or Special K Protein). Most heavier cereals (like raisin bran or shredded wheat) hover around 200 calories.