Carbs in A Large Russet Potato
How many carbs are in a large russet potato?
A Large Russet Potato has 15.5g net carbs per 100g — 17.1g total carbs minus 1.6g fiber — plus 2.2g protein, 0.1g fat, and 77 calories. 1 large baked (369g) works out to about 57.2g net carbs and 284 calories. That makes a large russet potato moderate in net carbs and about average for the typical vegetable, which averages about 18.1g net carbs per 100g. At this carb count, a large russet potato is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
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A Large Russet Potato 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 a large russet potato keto-friendly?
A Large Russet Potato is borderline for keto — it works only in small portions. It has 15.5g net carbs per 100g (17.1g total carbs − 1.6g fiber). A typical serving — 1 large baked (369g) — is about 57.2g net carbs. 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 |
|---|---|---|---|---|
| 1 large baked (369g) | 57.2g | 63.1g | 8.1g | 284 |
| 100 g (3.5 oz) | 15.5g | 17.1g | 2.2g | 77 |
| 1 oz (28 g) | 4.3g | 4.8g | 0.6g | 22 |
How many calories are in a large russet potato?
A Large Russet Potato has 77 calories per 100g. 1 large baked (369g) has about 284 calories. That's alongside 2.2g protein, 0.1g fat, and 15.5g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 77 |
| Total carbs | 17.1g |
| Net carbs | 15.5g |
| Fiber | 1.6g |
| Sugar | 0.8g |
| Sugar alcohols | 0g |
| Protein | 2.2g |
| Fat | 0.1g |
| Sodium | 7mg |
| Potassium | 449mg |
Source: Manufacturer-reported values (vegetables). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in a large russet potato?
- A Large Russet Potato has 17.1g of total carbs and 15.5g of net carbs per 100 grams.
- How many net carbs are in a large russet potato?
- A Large Russet Potato has 15.5g of net carbs per 100 grams (total carbs 17.1g minus 1.6g fiber).
- Is a large russet potato keto-friendly?
- A Large Russet Potato is borderline for keto — it works only in small portions. It has 15.5g net carbs per 100g (17.1g total carbs − 1.6g fiber). A typical serving — 1 large baked (369g) — is about 57.2g net carbs. 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 a large russet potato?
- A Large Russet Potato has 77 calories per 100 grams.
- How many carbs are in 1 large baked (369g)?
- 1 large baked (369g) (369g) has about 57.2g net carbs, 63.1g total carbs, and 284 calories.
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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.