Calories in Corn Flakes

100kcal per 1 cup (28 g)

357 kcal per 100 g · about 5% of a 2,000-kcal day

Corn flakes are light and low in fat, so a cup is about 100 calories dry. Because the flakes crush down, real bowls tend to hold two servings or more.

Corn Flakes nutrition facts

NutrientPer 100 gPer 1 cup
Calories357 kcal100 kcal
Protein7.5 g2.1 g
Carbs84 g23.5 g
Fat0.4 g0.1 g
Fiber3 g0.8 g
Sugar8 g2.2 g

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More grains & breads

Values based on USDA FoodData Central reference entries. Actual nutrition varies with variety, preparation, and portion. © 2026 NibbleCal.