In that case you must name the cereal, all are different.
There are roughly 30 grams in one cup of a typical cereal such as cheerios.
approximately 40 g
1 cup is equal to 237 grams. If you do not want the rounded off conversion, the full conversion is equal to 236.58824 grams.
1 cup = 8 ounces 1 ounce = 0.12 cup
Rolled oats, commonly used for a hot breakfast cereal, are sometimes referred to as oatmeal. One cup of rolled oats weighs 81 grams.
There are 27.5 ounces in a box of Frosted Flakes. This means there are two full cups and 11 ounces in the box.
If its a flakey cereal like Special K it will be 3/4 cup However if its a heavy cereal like muesli, then it will be 1/2 a cup
40 g is equivalent to 1cup of cereal.==============================Answer #2:It depends on what kind of cereal.They are definitely not all the same.
250 fluid grams in one cup
If one was to look at the sugar percentage in Frosted Flakes, the cereal label says 9% on a serving size of one cup of Frosted Flakes. The grams that are included in one cup of Frosted Flakes is 8.37 grams.
I believe that one GRAIN of dry cereal equals less than 1/8 even 1/16 of a cup.. I would find a different measuring key, such as ounces or grams
one ounce of cold cereal or one-half cup of cooked cereal, rice, or pasta.