Sweet Potato Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 medium (130g); per 100 g: 17.1g net carbs, 86 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in sweet potato?
Sweet Potato — 1 medium (130g) — has 22.2g net carbs: 26.1g total carbs minus 3.9g fiber, plus 2.1g protein, 0.1g fat, and 112 calories. Per 100g that is 17.1g net carbs (20.1g total carbs, 3g fiber) and 86 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 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
Is sweet potato keto-friendly?
Sweet Potato is generally not keto-friendly. 1 medium (130g) is 22.2g net carbs (26.1g total carbs − 3.9g fiber); per 100g that is 17.1g 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.
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.
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 — 1 medium (130g) — has 112 calories, with 2.1g protein, 0.1g fat, and 22.2g net carbs. Per 100g: 86 calories and 17.1g net carbs.
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 (1 medium, 130g) has 26.1g of total carbs and 22.2g of net carbs. Per 100 grams: 20.1g total, 17.1g net.
- How many net carbs are in sweet potato?
- Sweet Potato has 22.2g of net carbs per 1 medium (130g) — 26.1g total carbs minus 3.9g fiber.
- Is sweet potato keto-friendly?
- Sweet Potato is generally not keto-friendly. 1 medium (130g) is 22.2g net carbs (26.1g total carbs − 3.9g fiber); per 100g that is 17.1g 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 (1 medium, 130g) has 112 calories; that is 86 calories per 100 grams.
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.