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Calorie comparison

Corn Flakes vs Rolled Oats

Per 100 grams, corn flakes is the lighter choice by 32 calories, while rolled oats delivers more protein. The right pick depends on your goal — fewer calories for a cut, more protein to stay full.

Per 100 grams

Per 100 gCorn FlakesRolled Oats
Calories357389
Protein7 g17 g
Carbs84 g66 g
Fat0.4 g7 g

Orange highlights the "better for a calorie deficit" value (fewer calories, fat and carbs; more protein). Your goals decide what "better" means.

Per typical serving

🥣 Corn Flakes

1 cup (28 g)

100 cal

2 g protein · 23.5 g carbs · 0.1 g fat

🌾 Rolled Oats

1/2 cup dry (40 g)

156 cal

6.8 g protein · 26.4 g carbs · 2.8 g fat

Frequently asked

  • Which has more calories, corn flakes or rolled oats?

    Per 100 g, corn flakes has 357 calories and rolled oats has 389. Corn Flakes is lower in calories.

  • Which has more protein, corn flakes or rolled oats?

    Corn Flakes has 7 g of protein per 100 g; rolled oats has 17 g. Rolled Oats wins on protein.

  • Is corn flakes or rolled oats better for weight loss?

    For a calorie deficit, the lower-calorie, higher-protein option usually helps you stay full on fewer calories. Here that leans toward corn flakes — but portion size matters more than which food you pick.

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