Vegetables and Vegetable Products

How many carbs are in onions, red, raw?

1 Onion Edible of onions, red, raw contains about 19.6g of carbohydrate, 15.2g net carbs after subtracting 4.3g of fiber, 1.9g of protein, and 87 calories.

1 Onion Edible contains 19.6g carbs 15.2g net carbs · 4.3g fiber · 1.9g protein · 87 cal

Carbs by portion size

PortionTotal carbsFiberNet carbs
1 Onion Edible (197g)19.6g4.3g15.2g
100 grams (100g)9.9g2.2g7.7g

Net carbs in onions, red, raw

1 Onion Edible of onions, red, raw contains 15.2g of net carbs — total carbs (19.6g) minus dietary fiber (4.3g). 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 onions, red, raw (per 100g)

Reference values from USDA FoodData Central (foundation dataset, fdcId 790577). Values are per 100 grams.

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Frequently asked questions

How many carbs are in onions, red, raw?

1 Onion Edible of onions, red, raw contains about 19.6g of total carbohydrate. After subtracting 4.3g of fiber, the net carbs are about 15.2g.

How many net carbs are in onions, red, raw?

Net carbs in 1 Onion Edible of onions, red, raw are about 15.2g — that is total carbs (19.6g) minus dietary fiber (4.3g). See our net carbs explainer for the full calculation.

Is onions, red, raw good for diabetics?

Onions, red, raw 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 onions, red, raw keto-friendly?

Whether onions, red, raw fits a keto plan depends on your daily net-carb budget (typically under 20–30g per day). One serving (1 Onion Edible) provides about 15.2g of net carbs.

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