How many carbs are in a Corn Flakes?
A 1 cup (28g) serving of Corn Flakes contains 24.2g of total carbs (23.5g net carbs), 2.7g sugar, 101 calories, 2.1g protein, 0.2g fat and 0.7g fiber.
- Calories
- 101 cal
- Carbohydrates
- 24.2 g
- of which Sugars
- 2.7 g
- Fiber
- 0.7 g
- Net carbs
- 23.5 g
- Protein
- 2.1 g
- Fat
- 0.2 g
Corn Flakes nutrition at a glance
Per 1 cup (28g), Corn Flakes delivers about 5% of a 2,000-calorie daily reference, 9% of the 275g daily carbohydrate reference and 3% of the 28g daily fiber reference. Sugar sits at 5% of the 50g added-sugar reference and protein contributes 4% of the 50g protein reference.
- Calories
- 361
- Carbs
- 86.4 g
- Sugar
- 9.6 g
- Protein
- 7.5 g
- Fat
- 0.7 g
- Fiber
- 2.5 g
Blood-sugar impact of Corn Flakes
Moderate glycemic impact expected. If you're monitoring blood sugar, keep an eye on total portion size and combine with protein or fat.
With 24.2g total carbs and 0.7g fiber, the net-carb figure for a 1 cup (28g) serving works out to roughly 23.5g — this is the number most keto and low-carb tracking apps use. If you're managing type 2 diabetes, pre-diabetes or reactive hypoglycemia, use total carbs for insulin dosing calculations and treat net carbs as a rough guide for meal planning.
Ways to eat Corn Flakes
- Add corn flakes to a balanced plate with a lean protein and non-starchy vegetables.
- Use corn flakes as part of a pre-workout snack when you need quick, usable energy.
- Pair corn flakes with a source of fat or protein to slow glucose absorption.
Frequently asked questions
Is Corn Flakes keto-friendly?
Not usually. 23.5g net carbs per serving takes up a large share of a typical keto budget — reserve for special occasions or smaller portions.
How many carbs in Corn Flakes per 100 grams?
About 86.4g of carbs, 9.6g sugar and 361 calories per 100g of Corn Flakes.
How does Corn Flakes affect blood sugar?
Moderate glycemic impact expected. If you're monitoring blood sugar, keep an eye on total portion size and combine with protein or fat.
Is Corn Flakes good for weight loss?
A serving delivers 101 calories with 2.1g protein and 0.7g fiber. Foods that are relatively high in protein and fiber per calorie tend to be more filling — with a 3% combined protein-plus-fiber-to-calorie ratio, Corn Flakes is best paired with a lean protein or vegetables so the meal keeps you full for longer.
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Open scannerSources & how these numbers are calculated
Nutrition values are consensus averages compiled from the USDA FoodData Central database for a typical 1 cup (28g) serving of Corn Flakes. Actual values vary with brand, variety, ripeness and preparation — always check the label on packaged products. Daily-value percentages reference the U.S. FDA 2,000-calorie adult reference (275g carbs, 50g added sugar, 50g protein, 78g fat, 28g fiber).
Content reviewed by Carb Lens editorial. Read our editorial policy for how we source, review and update food data.