Sweet potato calories and nutrition
A medium baked sweet potato has 103 calories
A medium baked sweet potato has 103 calories. A small one has 54 and a large one has 162.
These numbers are for the flesh of a sweet potato baked in its skin, with no salt or butter. The skin itself isn't counted.
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. Source checked September 29, 2026.
Sweet potato macros
Sweet potato is mostly carbs. A medium baked one has 2.3 g of protein, 0.2 g of fat and 3.8 g of fiber.
Serving it with other vegetables? Broccoli, corn and spinach each have their own page, and the full list of calorie references covers the rest.
| Nutrient | 1 medium baked sweet potato | Per 100 g |
|---|---|---|
| Calories | 103 kcal | 90 kcal |
| Protein | 2.3 g | 2 g |
| Carbs | 23.6 g | 20.7 g |
| Fat | 0.2 g | 0.1 g |
| Fiber | 3.8 g | 3.3 g |
| Sugar | 7.4 g | 6.5 g |
| Sodium | 41 mg | 36 mg |
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. Source checked September 29, 2026.
Small, medium, large or a cupful
A cup of baked sweet potato flesh is 200 g and 180 calories, useful if you mash it or scoop it into a bowl. USDA measured the medium size before baking, and the table lists its raw dimensions.
| Portion | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg | Portion source |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 medium baked sweet potato | 114 g | 103 | 2.3 | 23.6 | 0.2 | 3.8 | 7.4 | 41 | 0 | USDA portion, 1 medium, 2 inches across and 5 inches long, raw |
| 1 small baked sweet potato | 60 g | 54 | 1.2 | 12.4 | 0.1 | 2 | 3.9 | 21.6 | 0 | USDA portion, 1 small |
| 1 large baked sweet potato | 180 g | 162 | 3.6 | 37.3 | 0.3 | 5.9 | 11.7 | 64.8 | 0 | USDA portion, 1 large |
| 1 cup baked sweet potato flesh | 200 g | 180 | 4 | 41.4 | 0.3 | 6.6 | 13 | 72 | 0 | USDA portion, 1 cup |
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. Source checked September 29, 2026.
Baked, raw or boiled
Per 100 g, baked sweet potato has 90 calories, raw has 86 and boiled has 76. Baking cooks off some water and boiling soaks some up, which is why the same weight comes out different.
Comparing it with a regular potato? The baked potato page has the same breakdown.
| Preparation | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg |
|---|---|---|---|---|---|---|---|---|---|
| Baked sweet potato flesh without salt | 100 g | 90 | 2 | 20.7 | 0.1 | 3.3 | 6.5 | 36 | 0 |
| Raw sweet potato | 100 g | 86 | 1.6 | 20.1 | 0.1 | 3 | 4.2 | 55 | 0 |
| Boiled sweet potato without skin | 100 g | 76 | 1.4 | 17.7 | 0.1 | 2.5 | 5.7 | 27 | 0 |
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. USDA FoodData Central. Sweet potato, raw, unprepared. USDA FoodData Central. Sweet potato, cooked, boiled, without skin. Source checked September 29, 2026.
Weigh the baked flesh
Scoop the flesh out after baking and enter its weight in grams. The calculator uses baked sweet potato, so weigh it cooked, not raw.
Rather not scoop and weigh? Describe the sweet potato to TrueCal in your own words and check the numbers it estimates.
114 g has about 102.6 calories.
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. Source checked September 29, 2026.
How many carbs are in a sweet potato?
A medium baked sweet potato has 23.6 g of carbs. That includes 3.8 g of fiber and 7.4 g of sugar.
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. Source checked September 29, 2026.
Do sweet potato calories include butter?
No. They're for plain baked flesh with no salt, so count butter, oil or brown sugar separately.
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. Source checked September 29, 2026.
Log the portion you ate
Add food from a photo or a sentence, then check the portion before saving.
USDA FoodData Central. Sweet potato, cooked, baked in skin, flesh, without salt. USDA FoodData Central. Sweet potato, raw, unprepared. USDA FoodData Central. Sweet potato, cooked, boiled, without skin. Source checked September 29, 2026.