Carbs in ¼ Cup Walnuts
Keto-friendlyHow many carbs are in ¼ cup walnuts?
¼ Cup Walnuts — ¼ cup, chopped (29g) — has 2g net carbs: 4g total carbs minus 1.9g fiber, plus 4.4g protein, 18.9g fat, and 190 calories. Per 100g that is 7g net carbs (13.7g total carbs, 6.7g fiber) and 654 calories. With this carb count, ¼ cup walnuts 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 USDA FoodData Central; net carbs are computed by CarbMeNot.
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Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per ¼ cup, chopped (29g); per 100 g: 7g net carbs, 654 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
Is ¼ cup walnuts keto-friendly?
Yes, ¼ cup walnuts can fit a keto diet in moderate portions. ¼ cup, chopped (29g) is 2g net carbs (4g total carbs − 1.9g fiber); per 100g that is 7g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other foods and meals.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| ¼ cup, chopped | 2g | 4g | 4.4g | 190 |
| 100 g (3.5 oz) | 7g | 13.7g | 15.2g | 654 |
| 1 oz (28 g) | 2g | 3.8g | 4.3g | 183 |
How many calories are in ¼ cup walnuts?
¼ Cup Walnuts — ¼ cup, chopped (29g) — has 190 calories, with 4.4g protein, 18.9g fat, and 2g net carbs. Per 100g: 654 calories and 7g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 654 |
| Total carbs | 13.7g |
| Net carbs | 7g |
| Fiber | 6.7g |
| Sugar | 2.6g |
| Sugar alcohols | 0g |
| Protein | 15.2g |
| Fat | 65.2g |
| Sodium | 2mg |
| Potassium | 441mg |
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 ¼ cup walnuts?
- ¼ Cup Walnuts (¼ cup, chopped, 29g) has 4g of total carbs and 2g of net carbs. Per 100 grams: 13.7g total, 7g net.
- How many net carbs are in ¼ cup walnuts?
- ¼ Cup Walnuts has 2g of net carbs per ¼ cup, chopped (29g) — 4g total carbs minus 1.9g fiber.
- Is ¼ cup walnuts keto-friendly?
- Yes, ¼ cup walnuts can fit a keto diet in moderate portions. ¼ cup, chopped (29g) is 2g net carbs (4g total carbs − 1.9g fiber); per 100g that is 7g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other foods and meals.
- How many calories are in ¼ cup walnuts?
- ¼ Cup Walnuts (¼ cup, chopped, 29g) has 190 calories; that is 654 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.