What does 100 calories of corn flakes look like?

100 calories =1 cup26 g · 0.9 oz
Medium calorie density3.84 kcal/g
Each 🥣 = one cup (~28.0 g). The last icon shows a part of one.
Food volume for 100 kcal

Corn flakes has 384 calories per 100 g, so 100 calories is 1 cup of corn flakes (26 g). That's a smaller portion than most bread, rice & grains on this site (average 44 g per 100 kcal).

Corn flakes: 50 to 500 calories

CaloriesGramsOuncesCups
50 kcal13 g0.5 oz½
100 kcal26 g0.9 oz1
200 kcal52 g1.8 oz1¾
300 kcal78 g2.8 oz2¾
500 kcal130 g4.6 oz4⅔

What's in 100 calories of corn flakes

1.5 gprotein
22.9 gcarbs
0.2 gfat
0.7 gfiber

Protein 6% Carbs 92% Fat 2% of calories

Want more food for the same 100 calories?

These give you at least 2½ times more volume than corn flakes:

Compare with other bread, rice & grains

Food100 kcal isGrams
🥣 Corn flakes1 cup26 g
🥣 Oatmeal (cooked with water)⅔ cup141 g
🍚 Brown rice (cooked)½ cup89 g
🍚 Couscous (cooked)½ cup89 g
🍚 Quinoa (cooked)½ cup83 g
🍚 White rice (cooked)⅓ cup77 g
🍜 Egg noodles (cooked)½ cup72 g
🍝 Whole wheat pasta (cooked)½ cup67 g
🍝 Pasta (cooked)½ cup (spaghetti)63 g
🌮 Corn tortilla2 tortillas46 g
🍞 English muffin¾ muffin44 g
🥞 Pancakes1¼ 4-inch pancakes44 g
🍞 Whole wheat bread1¼ slices40 g

See all bread, rice & grains →

Questions

How much is 100 calories of corn flakes?

100 calories of corn flakes is about 26 g (0.9 oz), or roughly 1 cup.

How many calories are in 100 g of corn flakes?

384 calories per 100 g, according to USDA FoodData Central.

Are corn flakes good for weight loss?

Medium calorie density (3.84 kcal per gram). Fine in sensible portions; easy to overeat if you don't measure. 100 calories also gives you 1.5 g of protein and 0.7 g of fiber.

How many calories are in one cup?

About 108 calories.

How many cups is 200 calories?

About 1¾ (52 g).

Free printable

The 100-calorie cheat sheet

One page with 300+ foods and their exact 100-calorie portions. Stick it on the fridge.

Source: USDA FoodData Central, "Cereals ready-to-eat, RALSTON Corn Flakes" (FDC ID 174648). Grams for 100 kcal = 100 ÷ calories per gram. Unit weight: USDA: 1 cup (1 NLEA serving) = 28.0 g. Real portions vary by size, variety and preparation. Updated 2026-10-23.