Carbs in Blooming Onion

Keto-friendly

How many carbs are in blooming onion?

Blooming Onion has 3.5g net carbs per 100g — 3.5g total carbs minus 0g fiber — plus 0g protein, 0g fat, and 13 calories. That makes blooming onion relatively low in net carbs and lower than the typical vegetable, which averages about 17.9g net carbs per 100g. With this carb count, blooming onion fits a keto or low-carb diet (usually 20–50g net carbs per day) in normal portions. Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.

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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Blooming Onion
3.5g
Net carbs
3.5g
Total carbs
0g
Fiber
0g
Protein
0g
Fat
13
Calories

Values per 100 g.

Is blooming onion keto-friendly?

Yes, in moderation

Yes, blooming onion can fit a keto diet in moderate portions. It has 3.5g net carbs per 100g (3.5g total carbs − 0g fiber). On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other vegetables and meals.

Carbs by serving size

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)3.5g3.5g13
1 oz (28 g)1g1g4

How many calories are in blooming onion?

Blooming Onion has 13 calories per 100g. That's alongside 0g protein, 0g fat, and 3.5g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories13
Total carbs3.5g
Net carbs3.5g
Fiber0g
Sugar3.5g
Sugar alcohols0g
Protein0g
Fat0g
Sodium0mg
Potassium0mg

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

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Frequently asked questions

How many carbs are in blooming onion?
Blooming Onion has 3.5g of total carbs and 3.5g of net carbs per 100 grams.
How many net carbs are in blooming onion?
Blooming Onion has 3.5g of net carbs per 100 grams (total carbs 3.5g minus 0g fiber).
Is blooming onion keto-friendly?
Yes, blooming onion can fit a keto diet in moderate portions. It has 3.5g net carbs per 100g (3.5g total carbs − 0g fiber). On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other vegetables and meals.
How many calories are in blooming onion?
Blooming Onion has 13 calories per 100 grams.

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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.