Carbs in Butternut Squash
How many carbs are in butternut squash?
Butternut Squash has 7.3g net carbs per 100g — 10.5g total carbs minus 3.2g fiber — plus 0.9g protein, 0.1g fat, and 40 calories. 1 cup cooked cubes (205g) works out to about 15g net carbs and 82 calories. That makes butternut squash relatively low in net carbs and lower than the typical dairy food, which averages about 24.3g net carbs per 100g. At this carb count, butternut squash is best limited to small portions on keto (usually 20–50g net carbs per day). 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 butternut squash keto-friendly?
Yes, butternut squash can fit a keto diet in moderate portions. It has 7.3g net carbs per 100g (10.5g total carbs − 3.2g fiber). A typical serving — 1 cup cooked cubes (205g) — is about 15g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other dairy foods and meals.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 cup cooked cubes (205g) | 15g | 21.5g | 1.8g | 82 |
| 100 g (3.5 oz) | 7.3g | 10.5g | 0.9g | 40 |
| 1 oz (28 g) | 2g | 2.9g | 0.3g | 11 |
How many calories are in butternut squash?
Butternut Squash has 40 calories per 100g. 1 cup cooked cubes (205g) has about 82 calories. That's alongside 0.9g protein, 0.1g fat, and 7.3g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 40 |
| Total carbs | 10.5g |
| Net carbs | 7.3g |
| Fiber | 3.2g |
| Sugar | 2g |
| Sugar alcohols | 0g |
| Protein | 0.9g |
| Fat | 0.1g |
| Sodium | 4mg |
| Potassium | 284mg |
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 butternut squash?
- Butternut Squash has 10.5g of total carbs and 7.3g of net carbs per 100 grams.
- How many net carbs are in butternut squash?
- Butternut Squash has 7.3g of net carbs per 100 grams (total carbs 10.5g minus 3.2g fiber).
- Is butternut squash keto-friendly?
- Yes, butternut squash can fit a keto diet in moderate portions. It has 7.3g net carbs per 100g (10.5g total carbs − 3.2g fiber). A typical serving — 1 cup cooked cubes (205g) — is about 15g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other dairy foods and meals.
- How many calories are in butternut squash?
- Butternut Squash has 40 calories per 100 grams.
- How many carbs are in 1 cup cooked cubes (205g) of butternut squash?
- 1 cup cooked cubes (205g) of butternut squash (205g) has about 15g net carbs, 21.5g total carbs, and 82 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.