Calories in Post Flakes Cereal

Instrument — Food Profile
100g
Calories

349.00

kcal
Protein

9.30

g
Carbs

79.10

g
Fat

3.49

g
Fiber

11.60

g
Sugar

16.30

g

Curious about the nutritional profile of post flakes cereal? Whether you are tracking your macros or just want to know how many calories it contain, you are in the right place. A standard 100g serving of post flakes cereal provides 349.00 calories, 9.30g of protein, and 79.10g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 349.00 kcal 9.30g 79.10g 3.49g
1 oz (28g) 98 kcal 2.6g 22.1g 1.0g
1 cup (43g) 150 kcal 4.0g 34.0g 1.5g

Vitamins & Minerals

Nutrient Amount
Vitamin A 4650.00 mcg
Thiamin (B1) 2.00 mg
Riboflavin (B2) 1.78 mg
Niacin (B3) 18.60 mg
Vitamin B6 2.79 mg
Folate (B9) 512.00 mcg
Vitamin B12 14.00 mcg
Calcium 23.00 mg
Iron 29.30 mg
Magnesium 74.00 mg
Potassium 372.00 mg
Sodium 465.00 mg
Zinc 24.40 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2083831)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

Is post flakes cereal a good source of protein?

It contains 9.30g of protein per 100g, which is moderate.

Is post flakes cereal keto-friendly?

No, post flakes cereal has 79.10g of carbs per 100g, which may disrupt ketosis.

How many calories is in 1 1 cup of post flakes cereal?

A single 1 cup (43g) of post flakes cereal provides 150 calories.

How many calories is in post flakes cereal?

100 grams of post flakes cereal contains exactly 349.00 calories.