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Corn flakes calories

Corn flakes, ready-to-eat, plain
108kcal
1 cup · 28 g, ready-to-eat, plain
6%protein
1.7 gProtein
25 gCarbs
0.3 gFat
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Nutrition facts
Ready-to-eat, plain · per 28 g
Calories108 kcal
Protein1.7 g
Carbohydrate25 g
Fat0.3 g
Saturated fat0.1 g
Cholesterol0 mg
Sodium160 mg
Potassium30 mg
Iron5.4 mg

Source: USDA FoodData Central

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Verified nutrition data

Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →

Most popular corn flakes brands in the United States
Ranked by popularity in the BodyPal database
#  Productkcal / 100 g
1Frosted Flakes Chocolate Frosted Corn Flakes3/4 cup · 30 g400 kcal
2Farm Fresh Flakes Frosted Corn Flakes3/4 cup · 31 g387 kcal
3Wild Harvest Organic Corn Flakes1 cup · 30 g367 kcal
4Family Gourmet Corn Flakes1 cup · 32 g406 kcal
5First Street Corn Flakes1 cup · 28 g357 kcal

Every row is dry cereal like the main number, but the frosted versions carry added sugar, so they read higher per 100 g than plain flakes.
Source: manufacturer labels / USDA FoodData Central.

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Corn flakes FAQs
How many calories are in a cup of corn flakes?

One cup of plain corn flakes weighs 28 g and has 108 calories, with 1.7 g protein and 24.6 g carbs. Milk is counted separately.

Are corn flakes good for weight loss?

A 28 g cup is 108 calories dry, and it carries only 0.8 g fiber and 1.7 g protein, so a single cup stays light but does little for fullness.

Corn flakes or rice krispies: which has fewer calories?

Plain corn flakes are 384 calories per 100 g and plain crisped rice cereal is 358, so the flakes run 26 calories higher per 100 g.

How much sugar is in corn flakes?

Plain corn flakes have 7.8 g sugar per 100 g, about 2.2 g in a 28 g cup. The flavored, frosted type is 32.5 g per 100 g.