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How Many Calories in Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys?

Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by our editorial team. Last reviewed: 5 September 2026.

Fact-checked against original USDA source data by our editorial team.

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387
calories per 100g
116 calories per 1 cup (30g)
6.9gProtein
82.8gCarbs
3.5gFat
4.9gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)110 kcal2.0g
100g387 kcal6.9g
grams
387kcal
6.9gprotein
82.8gcarbs
3.5gfat
4.9gfibre

A cereals ready-to-eat, malt-o-meal, marshmallow mateys contains 387 calories per 100g. A typical 1 cup (30g) provides about 116 calories. Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys Nutrition Facts

NutrientPer 100gPer serving (30g)
Calories387 kcal116 kcal
Protein6.9g2.1g
Carbohydrates82.8g24.8g
of which Sugars40.9g12.3g
Fat3.5g1.1g
of which Saturates0.7g0.2g
Fibre4.9g1.5g
Sodium667.0mg200mg
Potassium186.0mg56mg
Calcium333.0mg100mg
Iron30.0mg9.0mg
Vitamin C20.0mg6.0mg
Vitamin A500.0µg150µg
Selenium14.6µg4µg
Riboflavin (B2)1.4mg0.4mg

% 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, malt-o-meal, marshmallow mateys 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, malt-o-meal, marshmallow mateys 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, malt-o-meal, marshmallow mateys per 100g?

Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys contains 387 calories per 100g, based on USDA reference data.

Is cereals ready-to-eat, malt-o-meal, marshmallow mateys high in calories?

A 1 cup of cereals ready-to-eat, malt-o-meal, marshmallow mateys (30g) has around 116 calories — roughly 6% of a 2,000-calorie daily intake.

Is cereals ready-to-eat, malt-o-meal, marshmallow mateys good for weight loss?

Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys is fairly calorie-dense at 387 calories per 100g, so portion size matters when losing weight. A 1 cup provides about 116 calories.

How much protein is in cereals ready-to-eat, malt-o-meal, marshmallow mateys?

Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys contains 6.9g of protein per 100g.

Is cereals ready-to-eat, malt-o-meal, marshmallow mateys a good source of fibre?

Yes — cereals ready-to-eat, malt-o-meal, marshmallow mateys provides 4.9g of fibre per 100g, which is a meaningful contribution toward the commonly cited 28g daily reference intake.

How does cereals ready-to-eat, malt-o-meal, marshmallow mateys compare to cereals ready-to-eat, kellogg, kellogg's corn pops?

Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys has 387 calories per 100g, close to cereals ready-to-eat, kellogg, kellogg's corn pops at 387 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of cereals ready-to-eat, malt-o-meal, marshmallow mateys for 20g of protein?

With 6.9g of protein per 100g, you'd need roughly 290g of cereals ready-to-eat, malt-o-meal, marshmallow mateys to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to cereals ready-to-eat, malt-o-meal, marshmallow mateys by calories per 100g:

FoodCaloriesProteinCarbsFat
Cereals Ready-to-eat, Malt-O-Meal, Marshmallow Mateys (this page)387 kcal6.9g82.8g3.5g
Cereals Ready-to-eat, Kellogg, Kellogg'S Corn Pops387 kcal4.8g89.7g1.3g
Cereals Ready-to-eat, Kellogg'S Frosted Flakes, Choco Zucaritas387 kcal5.1g85.1g3.5g
Cereals Ready-to-eat, General Mills, Honey Nut Cheerios, Medley Crunch387 kcal9.1g79.5g5.4g
Cereals Ready-to-eat, Malt-O-Meal, Honey Nut Scooters387 kcal8.6g79.6g4.5g
Cereals Ready-to-eat, Cascadian Farm, Multi-Grain Squares387 kcal9.4g83.0g1.9g
Cereals, Quaker, Oatmeal, Real Medleys387 kcal10.1g68.6g9.8g

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Last updated:

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