Carbs in Sweet Potato
How many carbs are in sweet potato?
Sweet Potato has 17.1g net carbs per 100g — 20.1g total carbs minus 3g fiber — plus 1.6g protein, 0.1g fat, and 86 calories. 1 medium (130g) works out to about 22.2g net carbs and 112 calories. That makes sweet potato moderate in net carbs and about average for the typical vegetable, which averages about 17.9g net carbs per 100g. At this carb count, 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 USDA FoodData Central; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in sweet potato?
Sweet 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 sweet potato keto-friendly?
Sweet Potato is borderline for keto — it works only in small portions. It has 17.1g net carbs per 100g (20.1g total carbs − 3g fiber). A typical serving — 1 medium (130g) — is about 22.2g 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 medium | 22.2g | 26.1g | 2.1g | 112 |
| 100 g (3.5 oz) | 17.1g | 20.1g | 1.6g | 86 |
| 1 oz (28 g) | 4.8g | 5.6g | 0.4g | 24 |
How many calories are in sweet potato?
Sweet Potato has 86 calories per 100g. 1 medium (130g) has about 112 calories. That's alongside 1.6g protein, 0.1g fat, and 17.1g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 86 |
| Total carbs | 20.1g |
| Net carbs | 17.1g |
| Fiber | 3g |
| Sugar | 4.2g |
| Sugar alcohols | 0g |
| Protein | 1.6g |
| Fat | 0.1g |
| Sodium | 55mg |
| Potassium | 337mg |
Source: USDA FoodData Central (Foundation). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log sweet potato in one tap
Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.
Frequently asked questions
- How many carbs are in sweet potato?
- Sweet Potato has 20.1g of total carbs and 17.1g of net carbs per 100 grams.
- How many net carbs are in sweet potato?
- Sweet Potato has 17.1g of net carbs per 100 grams (total carbs 20.1g minus 3g fiber).
- Is sweet potato keto-friendly?
- Sweet Potato is borderline for keto — it works only in small portions. It has 17.1g net carbs per 100g (20.1g total carbs − 3g fiber). A typical serving — 1 medium (130g) — is about 22.2g 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 sweet potato?
- Sweet Potato has 86 calories per 100 grams.
- How many carbs are in 1 medium of sweet potato?
- 1 medium of sweet potato (130g) has about 22.2g net carbs, 26.1g total carbs, and 112 calories.
Similar foods
CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.