Carbs in Mashed Potatoes
How many carbs are in mashed potatoes?
Mashed Potatoes has 71.4g net carbs per 100g — 76.2g total carbs minus 4.8g fiber — plus 9.5g protein, 0g fat, and 381 calories. That makes mashed potatoes high in net carbs and higher than the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, 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 Open Food Facts; net carbs are computed by CarbMeNot.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is mashed potatoes keto-friendly?
Mashed Potatoes is generally not keto-friendly. It has 71.4g net carbs per 100g (76.2g total carbs − 4.8g 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) | 71.4g | 76.2g | 9.5g | 381 |
| 1 oz (28 g) | 20g | 21.3g | 2.7g | 107 |
How many calories are in mashed potatoes?
Mashed Potatoes has 381 calories per 100g. That's alongside 9.5g protein, 0g fat, and 71.4g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 381 |
| Total carbs | 76.2g |
| Net carbs | 71.4g |
| Fiber | 4.8g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 9.5g |
| Fat | 0g |
| Sodium | 48mg |
| Potassium | 0mg |
Source: Open Food Facts (Mashed potatoes). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in mashed potatoes?
- Mashed Potatoes has 76.2g of total carbs and 71.4g of net carbs per 100 grams.
- How many net carbs are in mashed potatoes?
- Mashed Potatoes has 71.4g of net carbs per 100 grams (total carbs 76.2g minus 4.8g fiber).
- Is mashed potatoes keto-friendly?
- Mashed Potatoes is generally not keto-friendly. It has 71.4g net carbs per 100g (76.2g total carbs − 4.8g 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 mashed potatoes?
- Mashed Potatoes has 381 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.