Carbs in Rice Krispies Cereal

Rice Krispies Cereal (per 100 g) contains 23.1g total carbs, 20.4g net carbs, 1g fat, 2g protein, and 110 calories.

Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

Rice Krispies Cereal
20.4g
Net carbs
23.1g
Total carbs
2.7g
Fiber
2g
Protein
1g
Fat
110
Calories

Values per 100 g.

Carbs by serving size

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)20.4g23.1g110
1 oz (28 g)5.7g6.5g31

Nutrition facts

NutrientAmount (per 100 g)
Calories110
Total carbs23.1g
Net carbs20.4g
Fiber2.7g
Sugar1g
Sugar alcohols0g
Protein2g
Fat1g
Sodium160mg
Potassium0mg

Source: Open Food Facts (Kellogg’s). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in rice krispies cereal?
Rice Krispies Cereal has 23.1g of total carbs and 20.4g of net carbs per 100 grams.
How many net carbs are in rice krispies cereal?
Rice Krispies Cereal has 20.4g of net carbs per 100 grams (total carbs 23.1g minus 2.7g fiber).
Is rice krispies cereal keto-friendly?
Rice Krispies Cereal has 20.4g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
How many calories are in rice krispies cereal?
Rice Krispies Cereal has 110 calories per 100 grams.

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