Carbs in Sweet Potato
Sweet Potato (per 100 g) contains 20.1g total carbs, 17.1g net carbs, 0.1g fat, 1.6g protein, and 86 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

17.1g
Net carbs
20.1g
Total carbs
3g
Fiber
1.6g
Protein
0.1g
Fat
86
Calories
Values per 100 g.
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 |
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.
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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 has 17.1g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
- 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.



