Food · Vegetables and Vegetable Products
Red potatoes nutrition facts
A typical portion of red potatoes (1/2 cup, diced; 75 g, flesh and skin, raw) has 50 calories and 1g of protein (USDA FoodData Central). USDA lists 3 descriptions of it: per 100 g they range from 70 calories (flesh and skin, raw) to 87 (flesh and skin, baked).
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 Potatoes, red, flesh and skin, raw, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 1.9g
- more than 23% of 8,218 USDA reference foods
- Calories per 100 g
- 70
- more than 20% of reference foods
- Sodium per 100 g
- 18mg
- more than 22% of reference foods
1/2 cup, diced weighs 75 g in USDA's record for Potatoes, red, flesh and skin, raw (FDC 170029).
Where the calories come from: 88% carbohydrate, 2% fat and 10% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
- Copper0.1 mg in 1/2 cup, diced (75 g), 11% of the Daily Value
Source: USDA FoodData Central (FDC 170029), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of red potatoes USDA describes
Flesh and skin, baked has the most calories per 100 g (87); the fewest: Flesh and skin, raw (70)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Potatoes, red, flesh and skin, raw | 70 | 1.9 g | 0.1 g | 18 mg |
| Potatoes, red, flesh and skin, baked | 87 | 2.3 g | 0.2 g | 12 mg |
| Potatoes, red, without skin, raw | 73 | 2.1 g | 0.2 g | 3 mg |
Every nutrient in this record (98)
The portion is 1/2 cup, diced (75 g); % DV is for that portion.
Energy, macronutrients and sugars (21)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 1.42 g | 1.89 g | 3% |
| Total lipid (fat) | 0.11 g | 0.14 g | 0% |
| Carbohydrate, by difference | 11.9 g | 15.9 g | 4% |
| Ash | 0.82 g | 1.10 g | |
| Energy | 52.5 kcal | 70.0 kcal | |
| Starch | 10.0 g | 13.3 g | |
| Sucrose | 0.22 g | 0.29 g | |
| Glucose | 0.30 g | 0.40 g | |
| Fructose | 0.23 g | 0.31 g | |
| Lactose | 0 g | 0 g | |
| Maltose | 0 g | 0 g | |
| Alcohol, ethyl | 0 g | 0 g | |
| Water | 60.7 g | 81.0 g | |
| Total Sugars | 0.97 g | 1.29 g | |
| Galactose | 0 g | 0 g | |
| Fiber, total dietary | 1.27 g | 1.70 g | 5% |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total trans | 0 g | 0 g | |
| Fatty acids, total saturated | 0.026 g | 0.035 g | 0% |
| Fatty acids, total monounsaturated | 0.0023 g | 0.0030 g | |
| Fatty acids, total polyunsaturated | 0.044 g | 0.059 g |
Minerals (10)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 7.50 mg | 10.0 mg | 1% |
| Iron, Fe | 0.55 mg | 0.73 mg | 3% |
| Magnesium, Mg | 16.5 mg | 22.0 mg | 4% |
| Phosphorus, P | 45.8 mg | 61.0 mg | 4% |
| Potassium, K | 341 mg | 455 mg | 7% |
| Sodium, Na | 13.5 mg | 18.0 mg | 1% |
| Zinc, Zn | 0.25 mg | 0.33 mg | 2% |
| Copper, Cu | 0.10 mg | 0.13 mg | 11% |
| Manganese, Mn | 0.11 mg | 0.14 mg | 5% |
| Selenium, Se | 0.38 µg | 0.50 µg | 1% |
Vitamins (27)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 0 µg | 0 µg | 0% |
| Carotene, beta | 3.00 µg | 4.00 µg | |
| Carotene, alpha | 0 µg | 0 µg | |
| Vitamin E (alpha-tocopherol) | 0.0075 mg | 0.010 mg | 0% |
| Vitamin D (D2 + D3) | 0 µg | 0 µg | 0% |
| Cryptoxanthin, beta | 0 µg | 0 µg | |
| Lycopene | 0 µg | 0 µg | |
| Lutein + zeaxanthin | 15.8 µg | 21.0 µg | |
| Tocopherol, beta | 0 mg | 0 mg | |
| Tocopherol, gamma | 0 mg | 0 mg | |
| Tocopherol, delta | 0 mg | 0 mg | |
| Vitamin C, total ascorbic acid | 6.45 mg | 8.60 mg | 7% |
| Thiamin | 0.061 mg | 0.081 mg | 5% |
| Riboflavin | 0.023 mg | 0.031 mg | 2% |
| Niacin | 0.86 mg | 1.15 mg | 5% |
| Pantothenic acid | 0.21 mg | 0.28 mg | |
| Vitamin B-6 | 0.13 mg | 0.17 mg | 8% |
| Folate, total | 13.5 µg | 18.0 µg | |
| Vitamin B-12 | 0 µg | 0 µg | 0% |
| Choline, total | 12.3 mg | 16.4 mg | 2% |
| Vitamin K (Dihydrophylloquinone) | 0 µg | 0 µg | |
| Vitamin K (phylloquinone) | 2.17 µg | 2.90 µg | 2% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 13.5 µg | 18.0 µg | |
| Folate, DFE | 13.5 µg | 18.0 µg | 3% |
| Betaine | 0.15 mg | 0.20 mg |
Amino acids (18)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Tryptophan | 0.014 g | 0.019 g | |
| Threonine | 0.047 g | 0.062 g | |
| Isoleucine | 0.046 g | 0.061 g | |
| Leucine | 0.068 g | 0.090 g | |
| Lysine | 0.074 g | 0.098 g | |
| Methionine | 0.022 g | 0.029 g | |
| Cystine | 0.017 g | 0.022 g | |
| Phenylalanine | 0.056 g | 0.075 g | |
| Tyrosine | 0.033 g | 0.044 g | |
| Valine | 0.071 g | 0.095 g | |
| Arginine | 0.070 g | 0.093 g | |
| Histidine | 0.024 g | 0.032 g | |
| Alanine | 0.044 g | 0.058 g | |
| Aspartic acid | 0.33 g | 0.44 g | |
| Glutamic acid | 0.24 g | 0.32 g | |
| Glycine | 0.039 g | 0.052 g | |
| Proline | 0.044 g | 0.058 g | |
| Serine | 0.052 g | 0.069 g |
Fatty acids (20)
| 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 | 0.00075 g | 0.0010 g | |
| SFA 12:0 | 0.0030 g | 0.0040 g | |
| SFA 14:0 | 0.00075 g | 0.0010 g | |
| SFA 16:0 | 0.017 g | 0.022 g | |
| SFA 18:0 | 0.0037 g | 0.0050 g | |
| MUFA 18:1 | 0.00075 g | 0.0010 g | |
| PUFA 18:2 | 0.033 g | 0.044 g | |
| PUFA 18:3 | 0.011 g | 0.014 g | |
| PUFA 20:4 | 0 g | 0 g | |
| PUFA 22:6 n-3 (DHA) | 0 g | 0 g | |
| MUFA 16:1 | 0.00075 g | 0.0010 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 | 3.75 mg | 5.00 mg |
Source: USDA FoodData Central, FDC 170029: 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 red potatoes?
50 in 1/2 cup, diced (75 g) of flesh and skin, raw; 70 to 87 per 100 g across USDA's descriptions.
How much protein is in red potatoes?
1g in 1/2 cup, diced; 1.9 g per 100 g.
How much sodium is in red potatoes?
15mg in 1/2 cup, diced; 18 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.
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