Calories in Cereal, corn flakes, plain

Generic food Breakfast Cereals

Cereal, corn flakes, plain contains 365 kcal per 100 g. A 1 prepackaged single serving (30 g) provides about 110 kcal.

Roughly 89% of its calories come from carbohydrates, with 7% from protein and 4% from fat (estimated with general energy factors).

That is close to the median for ready-to-eat cereal, lower sugar (=<21.2g/100g) on FoodFactly (368 kcal per 100 g).

100 g provides 156% of the Daily Value for iron, 134% of the Daily Value for Folate (B9) and 86% of the Daily Value for Thiamin (B1).

The data comes from the USDA Food and Nutrient Database for Dietary Studies (FNDDS), which calculates values from recipes of the ingredients.

365kcal per 100 g
6.4 gprotein
79.5 gcarbohydrates
1.6 gfat
110kcal in 1 prepackaged single serving (30 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 365 kcal
Total fat C 1.6 g 2%
Saturated fat C 0.2 g 1%
Cholesterol C 0 mg 0%
Sodium C 703 mg 31%
Total carbohydrates C 79.5 g 29%
Dietary fiber C 3.5 g 13%
Total sugars C 9.4 g
Protein C 6.4 g 13%
Vitamin A C 10 µg1%
Vitamin C C 0 mg0%
Vitamin D C 5 µg25%
Vitamin E C 0.11 mg0.7%
Vitamin K C 0 µg0%
Thiamin (B1) C 1 mg86%
Riboflavin (B2) C 1 mg78%
Niacin (B3) C 12.9 mg81%
Vitamin B6 C 1.4 mg85%
Folate (B9) C 537 µg134%
Vitamin B12 C 1.8 µg75%
Choline C 7.7 mg1%
Calcium C 4 mg0.3%
Iron C 28 mg156%
Magnesium C 29 mg7%
Phosphorus C 89 mg7%
Potassium C 128 mg3%
Zinc C 0.6 mg5%
Copper C 0.069 mg8%
Selenium C 9.5 µg17%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 7%Carbohydrates: 89%Fat: 4%365kcal / 100 g
  • Protein 7%
  • Carbohydrates 89%
  • Fat 4%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Iron156%Folate (B9)134%Thiamin (B1)86%Vitamin B685%Niacin (B3)81%Riboflavin (B2)78%Vitamin B1275%Vitamin D25%Selenium17%Copper8%

Nutritional insights

  • Protein6.4 gin the lowest quarter of ready-to-eat cereal, lower sugar (=<21.2g/100g) (median 9.5 g)
  • Fiber3.5 gin the lowest quarter of ready-to-eat cereal, lower sugar (=<21.2g/100g) (median 8.4 g)
  • Sugars9.4 gbelow the median for ready-to-eat cereal, lower sugar (=<21.2g/100g) (median 12.6 g)
  • Fat1.6 gbelow the median for ready-to-eat cereal, lower sugar (=<21.2g/100g) (median 2.5 g)
  • Saturated fat0.2 gbelow the median for ready-to-eat cereal, lower sugar (=<21.2g/100g) (median 0.33 g)
  • Sodium703 mgin the top quarter of ready-to-eat cereal, lower sugar (=<21.2g/100g) (median 517 mg)
  • Protein per 100 kcal1.8 gprotein density, useful for comparing foods with different calorie levels
  • Water10.1 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat C0.35 g
Polyunsaturated fat C0.75 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) C0 g
DHA (omega-3, 22:6 n-3) C0 g
Linoleic acid (omega-6, 18:2) C0.73 g
SFA 4:0 C0 g
SFA 6:0 C0 g
SFA 8:0 C0 g
SFA 10:0 C0 g
SFA 12:0 C0.001 g
SFA 14:0 C0.001 g
SFA 16:0 C0.16 g
SFA 18:0 C0.034 g
MUFA 18:1 C0.35 g
PUFA 18:3 C0.018 g
PUFA 20:4 C0 g
MUFA 16:1 C0.003 g
PUFA 18:4 C0 g
MUFA 20:1 C0 g
MUFA 22:1 C0.002 g
PUFA 22:5 n-3 (DPA) C0 g
Carotenoids (6)
Beta-carotene C87 µg
Lycopene C0 µg
Lutein + zeaxanthin C1,470 µg
Retinol C0 µg
Carotene, alpha C57 µg
Cryptoxanthin, beta C0 µg
Other components (8)
Water C10.1 g
Alcohol C0 g
Caffeine C0 mg
Theobromine C0 mg
Folic acid C300 µg
Folate, food C27 µg
Vitamin E, added C0 mg
Vitamin B-12, added C1.8 µg

Other forms of Cereal

Raw, cooked, dried and processed versions are separate records with their own measured values.

FoodCaloriesProteinCarbsFat
Cereal, cooked, NFS Cooked 64 2.2 g 11.4 g 1.1 g
Cereal, ready-to-eat, NFS 379 7.7 g 77.7 g 4 g
Cereal, O's, flavored 385 8.6 g 76 g 5.4 g
Cereal, crunch 398 4.3 g 82.1 g 5.5 g
Cereal, O's, plain 374 12.4 g 67.9 g 6.2 g
Cereal, chocolate puffs 388 5.4 g 81 g 5 g
Cereal, cinnamon toast 414 5.9 g 75.2 g 9.9 g
Cereal, chocolate crispy 380 5.4 g 81.8 g 4.2 g
Cereal, corn squares 369 7.9 g 77.1 g 2.6 g
Cereal, corn puffs 371 7.7 g 77.8 g 2.6 g
Cereal, rice crispy, plain 358 7 g 79.8 g 1.2 g
Cereal, bran flakes, plain 361 9.7 g 75 g 2.4 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Cereals ready-to-eat, RALSTON Corn Biscuits 376 5.8 g 85.8 g 1.1 g
Cereals ready-to-eat, RALSTON Corn Flakes 384 5.9 g 88 g 0.91 g
Cereals ready-to-eat, RALSTON CRISP RICE 383 6.7 g 86.2 g 1.3 g
Cereals ready-to-eat, MALT-O-MEAL, Crispy Rice 346 6.1 g 86.4 g 1.1 g
Cereals ready-to-eat, RALSTON Crispy Hexagons 379 5.9 g 86.8 g 0.95 g
Cereals ready-to-eat, QUAKER, QUAKER Puffed Rice 383 7 g 87.8 g 0.9 g
Cereals ready-to-eat, QUAKER, KING VITAMAN 381 6.4 g 83.9 g 3.4 g
Millet, puffed 354 13 g 80 g 3.4 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in cereal?

100 g of cereal has 365 kcal. 1 prepackaged single serving (30 g): about 110 kcal. 1 cup (30 g): about 110 kcal.

How much protein is in cereal?

Cereal contains 6.4 g of protein per 100 g (13% of the 50 g Daily Value), or 1.9 g in 1 prepackaged single serving (30 g). About 7% of its calories come from protein. Compared with other ready-to-eat cereal, lower sugar (=<21.2g/100g), that is in the lowest quarter (median 9.5 g).

How many carbs are in cereal?

Cereal has 79.5 g of total carbohydrates per 100 g, including 3.5 g of fiber and 9.4 g of sugars.

How much fat is in cereal?

Cereal contains 1.6 g of fat per 100 g, of which 0.2 g is saturated (1% of the Daily Value).

What vitamins and minerals does cereal contain?

Per 100 g, the most notable amounts relative to the Daily Value are iron (156% DV), Folate (B9) (134% DV), Thiamin (B1) (86% DV), Vitamin B6 (85% DV) and Niacin (B3) (81% DV). The full list is in the vitamins and minerals table above.

How much sodium is in cereal?

100 g contains 703 mg of sodium, 31% of the 2,300 mg Daily Value.

Does cereal have the same nutrition not specified and cooked?

No. Per 100 g, cereal, corn flakes, plain has 365 kcal, while cereal, cooked, NFS has 64 kcal. Cooking changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: FNDDS (Survey), record dated October 31, 2024. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: FNDDS (Survey), record 2708453. License: CC0 1.0 (U.S. public domain). Source record dated October 31, 2024. Imported November 6, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.