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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
3Ricolino Kranky Corn Flakes With Chocolate1 package · 40 g450 kcal
4Wild Harvest Organic Corn Flakes1 cup · 30 g367 kcal
5Family Gourmet Corn Flakes1 cup · 32 g406 kcal

Frosted and chocolate-coated boxes carry added sugar and fat, so their label numbers read higher than the 384 calories per 100 g of 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. Per 100 g that is 384 calories.

Are corn flakes good for weight loss?

A dry 28 g cup is 108 calories, but it carries only 1.7 g protein and 0.8 g fiber, so it fills less than a bowl of the same calories with more of both.

Corn flakes or frosted flakes: which has more calories?

Per 100 g plain corn flakes have 384 calories and frosted corn flakes 375. A cup of frosted flakes weighs 40 g and comes to 150 calories, against 108 for a 28 g cup of plain.

How much sugar is in corn flakes?

Plain corn flakes have 7.84 g of sugar per 100 g, so a 28 g cup holds 2.2 g, along with 160 mg of sodium. Frosted versions reach 32.5 g of sugar per 100 g.