VEGETABLE · per 100g edible portion
Sweet Potato
Nutrition facts for sweet potato (raw) — measured values from USDA FoodData Central, standardized to a 100g basis.
Ranks in 8 of 8 tracked rankings
Energy
86kcal
per 100g
Per 1 cup, cubes (133 g): 114 kcal · 2.1 g protein · 26.8 g carbs · 0.1 g fat
Protein
1.6g
Carbs
20.1g
Fiber
3g
Fat
0.1g
Macronutrient mix
Share of calories from each macro (Atwater 4/4/9 kcal per g)
In context
Why sweet potato stands out
Where sweet potato sits among the 61 foods in the database, per nutrient — computed from measured values only.
High in
- Vitamin A#2 · 709 µg
Source of
Nothing in the top tier for this food.
Low in
- Fat#60 · 0.1 g
Serving sizes
Household measures
| Measure | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 sweetpotato, 5" long | 130 g | 112 kcal | 2 g | 26.2 g | 0.1 g |
| 1 cup, cubes | 133 g | 114 kcal | 2.1 g | 26.8 g | 0.1 g |
Measures from USDA food portion data; per-serving values are derived from the measured per-100g values.
Full profile
Nutrition facts per 100g
| Nutrient | Amount |
|---|---|
| Calories | 86 kcal |
| Protein | 1.57 g |
| Carbohydrates | 20.12 g |
| Fiber | 3 g |
| Sugar | 4.18 g |
| Fat | 0.05 g |
| Saturated Fat | 0.02 g |
| Calcium | 30 mg |
| Iron | 0.61 mg |
| Magnesium | 25 mg |
| Phosphorus | 47 mg |
| Potassium | 337 mg |
| Sodium | 55 mg |
| Zinc | 0.3 mg |
| Vitamin A | 709 µg |
| Vitamin C | 2.4 mg |
| Vitamin D | 0 µg |
| Vitamin E | 0.26 mg |
| Vitamin K | 1.8 µg |
| Vitamin B1 | 0.08 mg |
| Vitamin B2 | 0.06 mg |
| Vitamin B3 | 0.56 mg |
| Vitamin B6 | 0.21 mg |
| Vitamin B12 | 0 µg |
| Folate | 11 µg |
Common questions
Sweet Potato FAQ
How many calories in 1 cup, cubes of sweet potato?
1 cup, cubes of sweet potato (133 g) provides about 114 kcal. Per 100 g, sweet potato has 86 kcal.
How much protein in sweet potato?
Sweet potato contains 1.6 g of protein per 100 g — about 2.1 g per 1 cup, cubes (133 g).
Is sweet potato high in fiber?
Sweet potato has 3 g of fiber per 100 g and ranks #19 of 58 tracked foods for fiber.
Explore
Where sweet potato ranks
Food graph
Nutritionally similar to sweet potato
Computed from all 25 tracked nutrient profiles in the database — closest overall composition, not necessarily the same food family.
Keep exploring
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Data Provenance
USDA FoodData Central
SR Legacy
- Source
- USDA FoodData Central
- FDC ID
- 168482
- Basis
- 100 g edible portion
- Record type
- SR Legacy
- Retrieved
- September 24, 2026