Carbs in Portobello Mushroom Grilled
Keto-friendlyHow many carbs are in portobello mushroom grilled?
Portobello Mushroom Grilled has 3.3g net carbs per 100g — 4.8g total carbs minus 1.5g fiber — plus 2.4g protein, 0.5g fat, and 26 calories. 1 mushroom (84g) works out to about 2.8g net carbs and 22 calories. That makes portobello mushroom grilled relatively low in net carbs and lower than the typical vegetable, which averages about 18.4g net carbs per 100g. With this carb count, portobello mushroom grilled 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 Manufacturer-reported values; net carbs are computed by CarbMeNot.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is portobello mushroom grilled keto-friendly?
Yes, portobello mushroom grilled can fit a keto diet in moderate portions. It has 3.3g net carbs per 100g (4.8g total carbs − 1.5g fiber). A typical serving — 1 mushroom (84g) — is about 2.8g net carbs. 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
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 mushroom | 2.8g | 4g | 2g | 22 |
| 100 g (3.5 oz) | 3.3g | 4.8g | 2.4g | 26 |
| 1 oz (28 g) | 0.9g | 1.3g | 0.7g | 7 |
How many calories are in portobello mushroom grilled?
Portobello Mushroom Grilled has 26 calories per 100g. 1 mushroom (84g) has about 22 calories. That's alongside 2.4g protein, 0.5g fat, and 3.3g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 26 |
| Total carbs | 4.8g |
| Net carbs | 3.3g |
| Fiber | 1.5g |
| Sugar | 2.7g |
| Sugar alcohols | 0g |
| Protein | 2.4g |
| Fat | 0.5g |
| Sodium | 11mg |
| Potassium | 471mg |
Source: Manufacturer-reported values (vegetables). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in portobello mushroom grilled?
- Portobello Mushroom Grilled has 4.8g of total carbs and 3.3g of net carbs per 100 grams.
- How many net carbs are in portobello mushroom grilled?
- Portobello Mushroom Grilled has 3.3g of net carbs per 100 grams (total carbs 4.8g minus 1.5g fiber).
- Is portobello mushroom grilled keto-friendly?
- Yes, portobello mushroom grilled can fit a keto diet in moderate portions. It has 3.3g net carbs per 100g (4.8g total carbs − 1.5g fiber). A typical serving — 1 mushroom (84g) — is about 2.8g net carbs. 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 portobello mushroom grilled?
- Portobello Mushroom Grilled has 26 calories per 100 grams.
- How many carbs are in 1 mushroom?
- 1 mushroom (84g) has about 2.8g net carbs, 4g total carbs, and 22 calories.
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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.