Foods

How many carbs are in cereal, o's?

1 prepackaged single serving of cereal, o's contains about 21.6g of carbohydrate, 18.9g net carbs after subtracting 2.7g of fiber, 3.2g of protein, and 114 calories.

1 prepackaged single serving contains 21.6g carbs 18.9g net carbs · 2.7g fiber · 3.2g protein · 114 cal

Carbs by portion size

PortionTotal carbsFiberNet carbs
1 prepackaged single serving (30g)21.6g2.7g18.9g
1 cup (35g)25.2g3.2g22g
100 grams (100g)72g9.1g62.9g

Net carbs in cereal, o's

1 prepackaged single serving of cereal, o's contains 18.9g of net carbs — total carbs (21.6g) minus dietary fiber (2.7g). Net carbs are the carbs your body actually digests and that raise blood glucose. See our guide to net carbs for how this calculation works and when to use it.

Full nutrition for cereal, o's (per 100g)

Reference values from USDA FoodData Central (survey fndds dataset, fdcId 2343959). Values are per 100 grams.

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Frequently asked questions

How many carbs are in cereal, o's?

1 prepackaged single serving of cereal, o's contains about 21.6g of total carbohydrate. After subtracting 2.7g of fiber, the net carbs are about 18.9g.

How many net carbs are in cereal, o's?

Net carbs in 1 prepackaged single serving of cereal, o's are about 18.9g — that is total carbs (21.6g) minus dietary fiber (2.7g). See our net carbs explainer for the full calculation.

Is cereal, o's good for diabetics?

Cereal, O's contains carbohydrates that will raise blood glucose. Whether it fits your meal plan depends on the portion and your overall daily target. Most U.S. diabetes care teams use total carbs (not net) for insulin dosing — see our diabetes carb-counting guide.

Is cereal, o's keto-friendly?

Whether cereal, o's fits a keto plan depends on your daily net-carb budget (typically under 20–30g per day). One serving (1 prepackaged single serving) provides about 18.9g of net carbs.

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