How many carbs are in sweet potato?
A medium baked sweet potato (4 oz, 114 g) has 23.6 g of total carbs, including 3.8 g of fiber, so about 19.8 g of net carbs. A small sweet potato has 12.4 g and a large one 37.3 g. Per 3.5 oz (100 g): 20.7 g.
Numbers are for the USDA entry Sweet potato, cooked, baked in skin, flesh, without salt. Other forms are compared below.
Carbs in sweet potato by size and measure
| Measure | Weight | Total carbs | Fiber | Net carbs | Sugars | % DV |
|---|---|---|---|---|---|---|
| 1 cup | 7.1 oz (200 g) | 41.4 g | 6.6 g | 34.8 g | 13 g | 15% |
| 1/2 cup | 3.5 oz (100 g) | 20.7 g | 3.3 g | 17.4 g | 6.5 g | 8% |
| 1 large | 6.3 oz (180 g) | 37.3 g | 5.9 g | 31.3 g | 11.7 g | 14% |
| 1 medium | 4 oz (114 g) | 23.6 g | 3.8 g | 19.8 g | 7.4 g | 9% |
| 1 small | 2.1 oz (60 g) | 12.4 g | 2 g | 10.4 g | 3.9 g | 5% |
| 1 oz | 28 g | 5.9 g | 0.94 g | 4.9 g | 1.8 g | 2% |
| 100 g | 3.5 oz | 20.7 g | 3.3 g | 17.4 g | 6.5 g | 8% |
Weights are the household measures USDA lists for this exact food. % DV uses the FDA Daily Value of 275 g. Net carbs are total carbs minus fiber.
What the carbs are made of
Of the 23.6 g of carbs in a medium baked sweet potato, 3.8 g is fiber and 7.4 g is total sugars. The remaining 12.5 g is starch and other carbohydrates. USDA reports total sugars for this food. It does not split natural from added sugar, so check the label of packaged versions.
Raw, cooked and other forms
Per 100 g, the 9 USDA entries below range from 17.3 g in sweet potatoes, orange flesh, without skin, raw to 32.1 g in sweet potato, cooked, candied, home-prepared.
| USDA entry | Per 100 g | Per serving |
|---|---|---|
| Sweet potato, cooked, baked in skin, flesh | 20.7 g | 23.6 g per 1 medium (114 g) |
| Sweet potato, raw, unprepared | 20.1 g | 26.2 g per 1 sweetpotato (5" long) (130 g) |
| Sweet potato, cooked, boiled, without skin | 17.7 g | 26.8 g per 1 medium (151 g) |
| Sweet potato, frozen, cooked, baked, with salt | 23.4 g | — |
| Sweet potato, canned, mashed | 23.2 g | — |
| Sweet potatoes, orange flesh, without skin, raw | 17.3 g | — |
| Sweet potato, canned, vacuum pack | 21.1 g | — |
| Sweet potato, cooked, candied, home-prepared | 32.1 g | 33.7 g per 1 piece (105 g) |
| Sweet potato, canned, syrup pack, solids and liquids | 20.9 g | — |
Each row is a separate USDA entry with its own household measure. A dash means USDA lists no comparable measure for that entry.
How sweet potato compares with other vegetables
Among the 50 vegetables people look up most, sweet potato ranks 6th for carbs per 3.5 oz (100 g) and 5th per typical serving.
| # | Food | Serving | Per serving | Per 100 g |
|---|---|---|---|---|
| 1 | Onion rings | 1 piece, 20.2 g | 7.3 g | 36.3 g |
| 2 | Garlic | 1 clove, 3 g | 0.85 g | 28.2 g |
| 3 | Yam | 1 cup (cubes), 150 g | 41.8 g | 27.9 g |
| 4 | Lima beans | 1 cup, 170 g | 40.2 g | 23.6 g |
| 5 | Potatoes | 1 medium potato, 173 g | 36.6 g | 21.1 g |
| 6 | Sweet potato | 1 medium, 114 g | 23.6 g | 20.7 g |
| 7 | Corn | 1 ear (small), 73 g | 13.7 g | 18.7 g |
| 8 | Ginger | 1/4 cup slices, 24 g | 4.3 g | 17.8 g |
| … | ||||
| 14 | Carrots | 1 cup, 120 g | 11.6 g | 9.7 g |
| … | ||||
| 41 | Tomatoes | 1 medium whole, 123 g | 4.8 g | 3.9 g |
The list is the 50 vegetables most asked about in US searches for protein, calories, carbs, sugar and fiber, each as one USDA entry with its usual serving. Rows in between are skipped (…).
Keep exploring
Sources
Nutrients and household measures: USDA FoodData Central, April 2026 release (accessed 2026-10-14)
- Sweet potato, cooked, baked in skin, flesh: Sweet potato, cooked, baked in skin, flesh, without salt, FDC ID 168483 (SR Legacy, published 2019-04-01) · full nutrition facts
- Sweet potato, raw, unprepared: Sweet potato, raw, unprepared (Includes foods for USDA's Food Distribution Program), FDC ID 168482 (SR Legacy, published 2019-04-01)
- Sweet potato, cooked, boiled, without skin: Sweet potato, cooked, boiled, without skin, FDC ID 168484 (SR Legacy, published 2019-04-01)
- Sweet potato, frozen, cooked, baked, with salt: Sweet potato, frozen, cooked, baked, with salt, FDC ID 170542 (SR Legacy, published 2019-04-01)
- Sweet potato, canned, mashed: Sweet potato, canned, mashed, FDC ID 169305 (SR Legacy, published 2019-04-01)
- Sweet potatoes, orange flesh, without skin, raw: Sweet potatoes, orange flesh, without skin, raw, FDC ID 2346404 (Foundation Foods, published 2022-10-28)
- Sweet potato, canned, vacuum pack: Sweet potato, canned, vacuum pack, FDC ID 168485 (SR Legacy, published 2019-04-01)
- Sweet potato, cooked, candied, home-prepared: Sweet potato, cooked, candied, home-prepared, FDC ID 170088 (SR Legacy, published 2019-04-01)
- Sweet potato, canned, syrup pack, solids and liquids: Sweet potato, canned, syrup pack, solids and liquids, FDC ID 170083 (SR Legacy, published 2019-04-01)
Comparison foods:
- Onion rings: Onion rings, breaded, par fried, frozen, prepared, heated in oven, FDC ID 324317
- Garlic: Garlic, raw, FDC ID 1104647
- Yam: Yam, raw, FDC ID 170071
- Lima beans: Lima beans, immature seeds, cooked, boiled, drained, without salt, FDC ID 169135
- Potatoes: Potatoes, baked, flesh and skin, without salt, FDC ID 170093
- Corn: Corn, sweet, yellow, raw, FDC ID 169998
- Ginger: Ginger root, raw, FDC ID 169231
- Carrots: Carrots, raw, FDC ID 2709660
- Tomatoes: Tomatoes, red, ripe, raw, year round average, FDC ID 170457
How we calculate: every amount is the USDA value per 3.5 oz (100 g) scaled to the gram weight USDA lists for that measure. 1 oz = 28.35 g and 1 lb = 453.6 g. Daily Values: FDA, 21 CFR 101.9, for adults and children 4 years and older. A dash (—) means USDA reports no value. How we verify.