Carbs in Large Sweet Potato

How many carbs are in large sweet potato?

Large Sweet Potato has 50g net carbs per 100g — 57.1g total carbs minus 7.1g fiber — plus 3.6g protein, 32.1g fat, and 536 calories. That makes large sweet potato high in net carbs and higher than the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, large sweet potato 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

Large Sweet Potato
50g
Net carbs
57.1g
Total carbs
7.1g
Fiber
3.6g
Protein
32.1g
Fat
536
Calories

Values per 100 g.

Is large sweet potato keto-friendly?

Not really

Large Sweet Potato is generally not keto-friendly. It has 50g net carbs per 100g (57.1g total carbs − 7.1g 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

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)50g57.1g536
1 oz (28 g)14g16g150

How many calories are in large sweet potato?

Large Sweet Potato has 536 calories per 100g. That's alongside 3.6g protein, 32.1g fat, and 50g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories536
Total carbs57.1g
Net carbs50g
Fiber7.1g
Sugar14.3g
Sugar alcohols0g
Protein3.6g
Fat32.1g
Sodium250mg
Potassium0mg

Source: Open Food Facts (Sweet potato chips). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in large sweet potato?
Large Sweet Potato has 57.1g of total carbs and 50g of net carbs per 100 grams.
How many net carbs are in large sweet potato?
Large Sweet Potato has 50g of net carbs per 100 grams (total carbs 57.1g minus 7.1g fiber).
Is large sweet potato keto-friendly?
Large Sweet Potato is generally not keto-friendly. It has 50g net carbs per 100g (57.1g total carbs − 7.1g 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 large sweet potato?
Large Sweet Potato has 536 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.