about 1/2 cup.
1/2 cup of dry whole oats cooked in 1 cup of water yields 3/4 cup of cooked oatmeal (6 1/2 ounces of cooked oatmeal)
One and 1/2 cups dry Montebello fusilli (short corkscrew) pasta made only 2 cups cooked.
1.5 cups
14 cups