Carbs in Cup Blueberries
How many carbs are in cup blueberries?
Cup Blueberries has 12.1g net carbs per 100g — 14.5g total carbs minus 2.4g fiber — plus 0.7g protein, 0.3g fat, and 57 calories. That makes cup blueberries moderate in net carbs and lower than the typical fruit, which averages about 17.3g net carbs per 100g. At this carb count, cup blueberries is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
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Cup Blueberries runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is cup blueberries keto-friendly?
Cup Blueberries is borderline for keto — it works only in small portions. It has 12.1g net carbs per 100g (14.5g total carbs − 2.4g 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) | 12.1g | 14.5g | 0.7g | 57 |
| 1 oz (28 g) | 3.4g | 4.1g | 0.2g | 16 |
How many calories are in cup blueberries?
Cup Blueberries has 57 calories per 100g. That's alongside 0.7g protein, 0.3g fat, and 12.1g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 57 |
| Total carbs | 14.5g |
| Net carbs | 12.1g |
| Fiber | 2.4g |
| Sugar | 10g |
| Sugar alcohols | 0g |
| Protein | 0.7g |
| Fat | 0.3g |
| Sodium | 1mg |
| Potassium | 77mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in cup blueberries?
- Cup Blueberries has 14.5g of total carbs and 12.1g of net carbs per 100 grams.
- How many net carbs are in cup blueberries?
- Cup Blueberries has 12.1g of net carbs per 100 grams (total carbs 14.5g minus 2.4g fiber).
- Is cup blueberries keto-friendly?
- Cup Blueberries is borderline for keto — it works only in small portions. It has 12.1g net carbs per 100g (14.5g total carbs − 2.4g 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 cup blueberries?
- Cup Blueberries has 57 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.