Carbs in Bloomin Onion
How many carbs are in bloomin onion?
Bloomin Onion has 47.3g net carbs per 100g — 50.5g total carbs minus 3.2g fiber — plus 11.6g protein, 2.6g fat, and 274 calories. That makes bloomin onion high in net carbs and higher than the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, bloomin onion is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Values per 100 g.
Is bloomin onion keto-friendly?
Bloomin Onion is generally not keto-friendly. It has 47.3g net carbs per 100g (50.5g total carbs − 3.2g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 47.3g | 50.5g | 11.6g | 274 |
| 1 oz (28 g) | 13.2g | 14.1g | 3.2g | 77 |
How many calories are in bloomin onion?
Bloomin Onion has 274 calories per 100g. That's alongside 11.6g protein, 2.6g fat, and 47.3g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 274 |
| Total carbs | 50.5g |
| Net carbs | 47.3g |
| Fiber | 3.2g |
| Sugar | 9.5g |
| Sugar alcohols | 0g |
| Protein | 11.6g |
| Fat | 2.6g |
| Sodium | 400mg |
| Potassium | 0mg |
Source: Open Food Facts (Dave’s Killer Bread). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in bloomin onion?
- Bloomin Onion has 50.5g of total carbs and 47.3g of net carbs per 100 grams.
- How many net carbs are in bloomin onion?
- Bloomin Onion has 47.3g of net carbs per 100 grams (total carbs 50.5g minus 3.2g fiber).
- Is bloomin onion keto-friendly?
- Bloomin Onion is generally not keto-friendly. It has 47.3g net carbs per 100g (50.5g total carbs − 3.2g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in bloomin onion?
- Bloomin Onion has 274 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.







