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How Many Calories in Cereals Ready-to-eat, Ralston Corn Flakes?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

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357
calories per 100g
100 calories per 1 cup (28g)
5.9gProtein
88.0gCarbs
0.9gFat
2.7gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)101 kcal1.7g
100g357 kcal5.9g
grams
357kcal
5.9gprotein
88.0gcarbs
0.9gfat
2.7gfibre

A cereals ready-to-eat, ralston corn flakes contains 357 calories per 100g. A typical 1 cup (28g) provides about 100 calories. Cereals Ready-to-eat, Ralston Corn Flakes is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Cereals Ready-to-eat, Ralston Corn Flakes Nutrition Facts

NutrientPer 100gPer serving (28g)
Calories357 kcal100 kcal
Protein5.9g1.7g
Carbohydrates88.0g24.6g
of which Sugars7.8g2.2g
Fat0.9g0.3g
of which Saturates0.2g0.1g
Fibre2.7g0.8g
Sodium571.0mg160mg
Potassium107.0mg30mg
Calcium2.0mg1mg
Iron19.4mg5.4mg
Vitamin C65.0mg18.2mg
Vitamin A981.0µg275µg
Selenium2.2µg1µg
Riboflavin (B2)1.7mg0.5mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

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Have a cat or dog? Check whether cereals ready-to-eat, ralston corn flakes is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out cereals ready-to-eat, ralston corn flakes for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Check the actual serving size on packaging before comparing to the per-100g figures here — snack portions are often smaller (or larger) than 100g.

Frequently Asked Questions

How many calories in cereals ready-to-eat, ralston corn flakes per 100g?

Cereals Ready-to-eat, Ralston Corn Flakes contains 357 calories per 100g, based on USDA reference data.

Is cereals ready-to-eat, ralston corn flakes high in calories?

A 1 cup of cereals ready-to-eat, ralston corn flakes (28g) has around 100 calories — roughly 5% of a 2,000-calorie daily intake.

Is cereals ready-to-eat, ralston corn flakes good for weight loss?

Cereals Ready-to-eat, Ralston Corn Flakes is fairly calorie-dense at 357 calories per 100g, so portion size matters when losing weight. A 1 cup provides about 100 calories.

How much protein is in cereals ready-to-eat, ralston corn flakes?

Cereals Ready-to-eat, Ralston Corn Flakes contains 5.9g of protein per 100g.

Is cereals ready-to-eat, ralston corn flakes a good source of fibre?

Cereals Ready-to-eat, Ralston Corn Flakes is relatively low in fibre at 2.7g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does cereals ready-to-eat, ralston corn flakes compare to margarine-like spread, benecol light spread?

Cereals Ready-to-eat, Ralston Corn Flakes has 357 calories per 100g, close to margarine-like spread, benecol light spread at 357 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of cereals ready-to-eat, ralston corn flakes for 20g of protein?

With 5.9g of protein per 100g, you'd need roughly 339g of cereals ready-to-eat, ralston corn flakes to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to cereals ready-to-eat, ralston corn flakes by calories per 100g:

FoodCaloriesProteinCarbsFat
Cereals Ready-to-eat, Ralston Corn Flakes (this page)357 kcal5.9g88.0g0.9g
Margarine-like Spread, Benecol Light Spread357 kcal0.0g5.7g38.7g
Cereals Ready-to-eat, Kellogg, Kellogg'S Corn Flakes357 kcal7.5g84.1g0.4g
Cereals Ready-to-eat, General Mills, Kix357 kcal7.7g82.8g3.5g
Cereals Ready-to-eat, Ralston Tasteeos357 kcal10.7g75.5g5.4g
Cereals, Wheatena, Dry357 kcal13.1g75.6g2.9g
Cereals Ready-to-eat, Kellogg'S, Reduced Sugar Frosted Flakes Cereal357 kcal5.6g87.3g0.4g

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Last updated:

Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.