Food · Vegetables and Vegetable Products
Sweet potato nutrition facts
A typical portion of sweet potato (1 sweetpotato, 5" long; 130 g, raw, unprepared) has 110 calories and 2g of protein (USDA FoodData Central). USDA lists 30 descriptions of it: per 100 g they range from 57 calories (squash, pumpkin, chrysanthemum, or bean leaves, cooked) to 209 (sweet Potatoes, french fried, crosscut, frozen, unprepared).
Nutrition Facts
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.
USDA values per 100 g for Sweet potato, raw, unprepared (Includes foods for USDA's Food Distribution Program), scaled to the portion. Check the USDA record.
- Protein per 100 g
- 1.6g
- more than 21% of 8,218 USDA reference foods
- Calories per 100 g
- 86
- more than 25% of reference foods
- Sodium per 100 g
- 55mg
- more than 37% of reference foods
1 sweetpotato, 5" long weighs 130 g in USDA's record for Sweet potato, raw, unprepared (Includes foods for USDA's Food Distribution Program) (FDC 168482).
Where the calories come from: 92% carbohydrate, 1% fat and 7% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
- Vitamin A922 µg RAE in 1 sweetpotato, 5" long (130 g), 102% of the Daily Value
- Copper0.2 mg in 1 sweetpotato, 5" long (130 g), 22% of the Daily Value
- Vitamin B60.3 mg in 1 sweetpotato, 5" long (130 g), 16% of the Daily Value
- Manganese0.3 mg in 1 sweetpotato, 5" long (130 g), 15% of the Daily Value
Source: USDA FoodData Central (FDC 168482), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of sweet potato USDA describes
Sweet Potatoes… (FDC 168015) has the most calories per 100 g (209); the fewest: Squash, pumpkin, chrysanthemum… (57)
Every nutrient in this record (113)
The portion is 1 sweetpotato, 5" long (130 g); % DV is for that portion.
Energy, macronutrients and sugars (21)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 2.04 g | 1.57 g | 4% |
| Total lipid (fat) | 0.065 g | 0.050 g | 0% |
| Carbohydrate, by difference | 26.2 g | 20.1 g | 10% |
| Ash | 1.29 g | 0.99 g | |
| Energy | 112 kcal | 86.0 kcal | |
| Starch | 16.4 g | 12.7 g | |
| Sucrose | 3.28 g | 2.52 g | |
| Glucose | 1.25 g | 0.96 g | |
| Fructose | 0.91 g | 0.70 g | |
| Lactose | 0 g | 0 g | |
| Maltose | 0 g | 0 g | |
| Alcohol, ethyl | 0 g | 0 g | |
| Water | 100 g | 77.3 g | |
| Total Sugars | 5.43 g | 4.18 g | |
| Galactose | 0 g | 0 g | |
| Fiber, total dietary | 3.90 g | 3.00 g | 14% |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total trans | 0 g | 0 g | |
| Fatty acids, total saturated | 0.023 g | 0.018 g | 0% |
| Fatty acids, total monounsaturated | 0.0013 g | 0.0010 g | |
| Fatty acids, total polyunsaturated | 0.018 g | 0.014 g |
Minerals (10)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 39.0 mg | 30.0 mg | 3% |
| Iron, Fe | 0.79 mg | 0.61 mg | 4% |
| Magnesium, Mg | 32.5 mg | 25.0 mg | 8% |
| Phosphorus, P | 61.1 mg | 47.0 mg | 5% |
| Potassium, K | 438 mg | 337 mg | 9% |
| Sodium, Na | 71.5 mg | 55.0 mg | 3% |
| Zinc, Zn | 0.39 mg | 0.30 mg | 4% |
| Copper, Cu | 0.20 mg | 0.15 mg | 22% |
| Manganese, Mn | 0.34 mg | 0.26 mg | 15% |
| Selenium, Se | 0.78 µg | 0.60 µg | 1% |
Vitamins (32)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 922 µg | 709 µg | 102% |
| Carotene, beta | 11,062 µg | 8,509 µg | |
| Carotene, alpha | 9.10 µg | 7.00 µg | |
| Vitamin E (alpha-tocopherol) | 0.34 mg | 0.26 mg | 2% |
| Vitamin D (D2 + D3) | 0 µg | 0 µg | 0% |
| Cryptoxanthin, beta | 0 µg | 0 µg | |
| Lycopene | 0 µg | 0 µg | |
| Lutein + zeaxanthin | 0 µg | 0 µg | |
| Tocopherol, beta | 0.013 mg | 0.010 mg | |
| Tocopherol, gamma | 0 mg | 0 mg | |
| Tocopherol, delta | 0 mg | 0 mg | |
| Tocotrienol, alpha | 0.013 mg | 0.010 mg | |
| Tocotrienol, beta | 0 mg | 0 mg | |
| Tocotrienol, gamma | 0 mg | 0 mg | |
| Tocotrienol, delta | 0 mg | 0 mg | |
| Vitamin C, total ascorbic acid | 3.12 mg | 2.40 mg | 3% |
| Thiamin | 0.10 mg | 0.078 mg | 8% |
| Riboflavin | 0.079 mg | 0.061 mg | 6% |
| Niacin | 0.72 mg | 0.56 mg | 5% |
| Pantothenic acid | 1.04 mg | 0.80 mg | |
| Vitamin B-6 | 0.27 mg | 0.21 mg | 16% |
| Folate, total | 14.3 µg | 11.0 µg | |
| Vitamin B-12 | 0 µg | 0 µg | 0% |
| Choline, total | 16.0 mg | 12.3 mg | 3% |
| Vitamin K (Dihydrophylloquinone) | 0 µg | 0 µg | |
| Vitamin K (phylloquinone) | 2.34 µg | 1.80 µg | 2% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 14.3 µg | 11.0 µg | |
| Folate, DFE | 14.3 µg | 11.0 µg | 4% |
| Vitamin E, added | 0 mg | 0 mg | |
| Vitamin B-12, added | 0 µg | 0 µg |
Amino acids (18)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Tryptophan | 0.040 g | 0.031 g | |
| Threonine | 0.11 g | 0.083 g | |
| Isoleucine | 0.072 g | 0.055 g | |
| Leucine | 0.12 g | 0.092 g | |
| Lysine | 0.086 g | 0.066 g | |
| Methionine | 0.038 g | 0.029 g | |
| Cystine | 0.029 g | 0.022 g | |
| Phenylalanine | 0.12 g | 0.089 g | |
| Tyrosine | 0.044 g | 0.034 g | |
| Valine | 0.11 g | 0.086 g | |
| Arginine | 0.072 g | 0.055 g | |
| Histidine | 0.040 g | 0.031 g | |
| Alanine | 0.10 g | 0.077 g | |
| Aspartic acid | 0.50 g | 0.38 g | |
| Glutamic acid | 0.20 g | 0.15 g | |
| Glycine | 0.082 g | 0.063 g | |
| Proline | 0.068 g | 0.052 g | |
| Serine | 0.11 g | 0.088 g |
Fatty acids (30)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| SFA 4:0 | 0 g | 0 g | |
| SFA 6:0 | 0 g | 0 g | |
| SFA 8:0 | 0 g | 0 g | |
| SFA 10:0 | 0 g | 0 g | |
| SFA 12:0 | 0 g | 0 g | |
| SFA 14:0 | 0 g | 0 g | |
| SFA 16:0 | 0.023 g | 0.018 g | |
| SFA 18:0 | 0.0013 g | 0.0010 g | |
| SFA 20:0 | 0 g | 0 g | |
| MUFA 18:1 | 0.0013 g | 0.0010 g | |
| PUFA 18:2 | 0.017 g | 0.013 g | |
| PUFA 18:3 | 0.0013 g | 0.0010 g | |
| PUFA 20:4 | 0 g | 0 g | |
| PUFA 22:6 n-3 (DHA) | 0 g | 0 g | |
| SFA 22:0 | 0 g | 0 g | |
| MUFA 14:1 | 0 g | 0 g | |
| MUFA 16:1 | 0 g | 0 g | |
| PUFA 18:4 | 0 g | 0 g | |
| MUFA 20:1 | 0 g | 0 g | |
| PUFA 20:5 n-3 (EPA) | 0 g | 0 g | |
| MUFA 22:1 | 0 g | 0 g | |
| PUFA 22:5 n-3 (DPA) | 0 g | 0 g | |
| Phytosterols | 15.6 mg | 12.0 mg | |
| SFA 15:0 | 0 g | 0 g | |
| SFA 17:0 | 0 g | 0 g | |
| SFA 24:0 | 0 g | 0 g | |
| PUFA 20:2 n-6 c,c | 0 g | 0 g | |
| MUFA 17:1 | 0 g | 0 g | |
| PUFA 20:3 | 0 g | 0 g | |
| MUFA 15:1 | 0 g | 0 g |
Source: USDA FoodData Central, FDC 168482: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.
Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.
Questions
How many calories are in sweet potato?
110 in 1 sweetpotato, 5" long (130 g) of raw, unprepared; 57 to 209 per 100 g across USDA's descriptions.
How much protein is in sweet potato?
2g in 1 sweetpotato, 5" long; 1.6 g per 100 g.
How much sodium is in sweet potato?
70mg in 1 sweetpotato, 5" long; 55 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.
Sweet potato compared
Sources for this page
- USDA FoodData Central
- the food and product records, April 30, 2026 release. fdc.nal.usda.gov
- FoodData Central documentation
- what each data type is and how branded records are submitted. fdc.nal.usda.gov
- USDA Food and Nutrient Database for Dietary Studies
- the survey foods and their portions. ars.usda.gov
- 21 CFR 101.9, Nutrition labeling of food
- the label format, rounding and Daily Values. ecfr.gov
- FDA, How to Understand and Use the Nutrition Facts Label
- the 5% and 20% Daily Value rule. fda.gov