Carbs in Potato 1 Cup
How many carbs are in potato 1 cup?
Potato 1 Cup has 77.2g net carbs per 100g — 83.1g total carbs minus 5.9g fiber — plus 6.9g protein, 0.3g fat, and 357 calories. That makes potato 1 cup high in net carbs and higher than the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, potato 1 cup 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.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Values per 100 g.
Is potato 1 cup keto-friendly?
Potato 1 Cup is generally not keto-friendly. It has 77.2g net carbs per 100g (83.1g total carbs − 5.9g 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) | 77.2g | 83.1g | 6.9g | 357 |
| 1 oz (28 g) | 21.6g | 23.3g | 1.9g | 100 |
How many calories are in potato 1 cup?
Potato 1 Cup has 357 calories per 100g. That's alongside 6.9g protein, 0.3g fat, and 77.2g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 357 |
| Total carbs | 83.1g |
| Net carbs | 77.2g |
| Fiber | 5.9g |
| Sugar | 3.5g |
| Sugar alcohols | 0g |
| Protein | 6.9g |
| Fat | 0.3g |
| Sodium | 55mg |
| Potassium | 1000mg |
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 potato 1 cup?
- Potato 1 Cup has 83.1g of total carbs and 77.2g of net carbs per 100 grams.
- How many net carbs are in potato 1 cup?
- Potato 1 Cup has 77.2g of net carbs per 100 grams (total carbs 83.1g minus 5.9g fiber).
- Is potato 1 cup keto-friendly?
- Potato 1 Cup is generally not keto-friendly. It has 77.2g net carbs per 100g (83.1g total carbs − 5.9g 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 potato 1 cup?
- Potato 1 Cup has 357 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.







