Carbs in Water Chestnuts
Keto-friendlyHow many carbs are in water chestnuts?
Water Chestnuts has 5.4g net carbs per 100g — 8g total carbs minus 2.6g fiber — plus 0.9g protein, 0g fat, and 40 calories. With this carb count, water chestnuts 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 water chestnuts on keto?
Snap a photo and CarbMeNot logs the 5.4g net carbs in water chestnuts — 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 water chestnuts keto-friendly?
Yes, water chestnuts can fit a keto diet in moderate portions. It has 5.4g net carbs per 100g (8g total carbs − 2.6g 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) | 5.4g | 8g | 0.9g | 40 |
| 1 oz (28 g) | 1.5g | 2.2g | 0.3g | 11 |
How many calories are in water chestnuts?
Water Chestnuts has 40 calories per 100g. That's alongside 0.9g protein, 0g fat, and 5.4g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 40 |
| Total carbs | 8g |
| Net carbs | 5.4g |
| Fiber | 2.6g |
| Sugar | 1.8g |
| Sugar alcohols | 0g |
| Protein | 0.9g |
| Fat | 0g |
| Sodium | 18mg |
| Potassium | 0mg |
Source: Open Food Facts (Reese). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log water chestnuts 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 water chestnuts?
- Water Chestnuts has 8g of total carbs and 5.4g of net carbs per 100 grams.
- How many net carbs are in water chestnuts?
- Water Chestnuts has 5.4g of net carbs per 100 grams (total carbs 8g minus 2.6g fiber).
- Is water chestnuts keto-friendly?
- Yes, water chestnuts can fit a keto diet in moderate portions. It has 5.4g net carbs per 100g (8g total carbs − 2.6g 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 water chestnuts?
- Water Chestnuts has 40 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.