Carbs in ½ Cup Blueberries
How many carbs are in ½ cup blueberries?
½ Cup Blueberries — ½ cup (74g) — has 9g net carbs: 10.7g total carbs minus 1.8g fiber, plus 0.5g protein, 0.2g fat, and 42 calories. Per 100g that is 12.1g net carbs (14.5g total carbs, 2.4g fiber) and 57 calories. That makes ½ 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, ½ 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.
Keeping an eye on carbs in ½ cup blueberries?
½ 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 September 8, 2026 · Compiled by the CarbMeNot Team
Values per ½ cup (74g); per 100 g: 12.1g net carbs, 57 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
Is ½ cup blueberries keto-friendly?
½ Cup Blueberries is borderline for keto — it works only in small portions. ½ cup (74g) is 9g net carbs (10.7g total carbs − 1.8g fiber); per 100g that is 12.1g net carbs. 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 |
|---|---|---|---|---|
| ½ cup | 9g | 10.7g | 0.5g | 42 |
| 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 ½ cup blueberries?
½ Cup Blueberries — ½ cup (74g) — has 42 calories, with 0.5g protein, 0.2g fat, and 9g net carbs. Per 100g: 57 calories and 12.1g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 57 |
| Total carbs | 14.5g |
| Net carbs | 12.1g |
| Fiber | 2.4g |
| Sugar | 9.9g |
| 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 ½ cup blueberries?
- ½ Cup Blueberries (½ cup, 74g) has 10.7g of total carbs and 9g of net carbs. Per 100 grams: 14.5g total, 12.1g net.
- How many net carbs are in ½ cup blueberries?
- ½ Cup Blueberries has 9g of net carbs per ½ cup (74g) — 10.7g total carbs minus 1.8g fiber.
- Is ½ cup blueberries keto-friendly?
- ½ Cup Blueberries is borderline for keto — it works only in small portions. ½ cup (74g) is 9g net carbs (10.7g total carbs − 1.8g fiber); per 100g that is 12.1g net carbs. 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 ½ cup blueberries?
- ½ Cup Blueberries (½ cup, 74g) has 42 calories; that is 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.