Calorie data · Grains← All foods

How many calories in
corn flakes?

Corn Flakes is 357 calories per 100g, mostly carbs at 84g. A dense carb source — sensible to weigh dry vs cooked carefully. Common in fitness meal prep for steady-energy carbohydrates.

357
kcal · 100g
7g
Protein
84g
Carbs
0.4g
Fat
Servings

Common serving sizes.

Calories scale with portion. Here's how a typical corn flakes serving translates in your tracker:

Serving
Calories
Protein
3 oz (85g)
303 kcal
5.9g
4 oz (113g)
403 kcal
7.9g
1 cup (~150g)
536 kcal
10.5g
Track this food

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FAQ

Quick answers.

How many calories in corn flakes?

Corn Flakes has approximately 357 calories per 100g. A typical serving — 3 oz (85g) — comes in at 303 calories.

How much protein is in corn flakes?

7g of protein per 100g. That puts corn flakes at roughly 2.0g of protein per 100 calories — a useful lens when comparing to other grains sources.

How do I log corn flakes accurately?

The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With SpotWell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.

Is corn flakes good for weight loss?

It depends on your overall calorie target. Corn Flakes sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.