Carbs in Walnut
Keto-friendlyHow many carbs are in walnut?
Walnut has 0g net carbs per 100g — 10g total carbs minus 10g fiber — plus 16.7g protein, 66.7g fat, and 700 calories. With this carb count, walnut 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 Open Food Facts; net carbs are computed by CarbMeNot.
Tracking walnut on keto?
Snap a photo and CarbMeNot logs the 0g net carbs in walnut — and everything else you eat — automatically. No database searching, no guessing.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is walnut keto-friendly?
Yes — walnut is keto-friendly. It has 0g net carbs per 100g (10g total carbs − 10g fiber). 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 |
|---|---|---|---|---|
| 100 g (3.5 oz) | 0g | 10g | 16.7g | 700 |
| 1 oz (28 g) | 0g | 2.8g | 4.7g | 196 |
How many calories are in walnut?
Walnut has 700 calories per 100g. That's alongside 16.7g protein, 66.7g fat, and 0g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 700 |
| Total carbs | 10g |
| Net carbs | 0g |
| Fiber | 10g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 16.7g |
| Fat | 66.7g |
| Sodium | 0mg |
| Potassium | 0mg |
Source: Open Food Facts (Walnut Light Halves). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log walnut in one tap
Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.
Frequently asked questions
- How many carbs are in walnut?
- Walnut has 10g of total carbs and 0g of net carbs per 100 grams.
- How many net carbs are in walnut?
- Walnut has 0g of net carbs per 100 grams (total carbs 10g minus 10g fiber).
- Is walnut keto-friendly?
- Yes — walnut is keto-friendly. It has 0g net carbs per 100g (10g total carbs − 10g fiber). 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 walnut?
- Walnut has 700 calories per 100 grams.
Similar foods
CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.