Carbs in Cup Mashed Potatoes
How many carbs are in cup mashed potatoes?
Cup Mashed Potatoes has 11.4g net carbs per 100g — 13.3g total carbs minus 1.9g fiber — plus 2g protein, 5g fat, and 106 calories. That makes cup mashed potatoes moderate in net carbs and lower than the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, cup mashed potatoes 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 cup mashed potatoes?
Cup Mashed Potatoes 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 June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is cup mashed potatoes keto-friendly?
Cup Mashed Potatoes is borderline for keto — it works only in small portions. It has 11.4g net carbs per 100g (13.3g total carbs − 1.9g 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) | 11.4g | 13.3g | 2g | 106 |
| 1 oz (28 g) | 3.2g | 3.7g | 0.6g | 30 |
How many calories are in cup mashed potatoes?
Cup Mashed Potatoes has 106 calories per 100g. That's alongside 2g protein, 5g fat, and 11.4g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 106 |
| Total carbs | 13.3g |
| Net carbs | 11.4g |
| Fiber | 1.9g |
| Sugar | 1.8g |
| Sugar alcohols | 0g |
| Protein | 2g |
| Fat | 5g |
| Sodium | 298mg |
| Potassium | 274mg |
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 cup mashed potatoes?
- Cup Mashed Potatoes has 13.3g of total carbs and 11.4g of net carbs per 100 grams.
- How many net carbs are in cup mashed potatoes?
- Cup Mashed Potatoes has 11.4g of net carbs per 100 grams (total carbs 13.3g minus 1.9g fiber).
- Is cup mashed potatoes keto-friendly?
- Cup Mashed Potatoes is borderline for keto — it works only in small portions. It has 11.4g net carbs per 100g (13.3g total carbs − 1.9g 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 cup mashed potatoes?
- Cup Mashed Potatoes has 106 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.