Mashed Potatoes Nutrition Facts

FoodData Central Updated 6 April 2026

One cup of mashed potatoes contains 174.3 calories, 4g protein, 36.9g carbs, and 1.2g fat. Mashed Potatoes is a nutrient-rich vegetable that is low in calories.

174.3

cal

36.9g

carbs

4g

protein

amino acids ↓

1.2g

fat

3.2g

fiber

3.1g

sugar

Vitamins in Mashed Potatoes

Per Cup ~210g

Vitamin A
14.7mcg
2%
Vitamin C
13mg
14%
Vitamin D
0.42mcg
2%
Vitamin E
0.04mg
<1%
Vitamin K
3.78mcg
3%
Vitamin B6
0.48mg
28%
Vitamin B12
0.15mcg
6%
Thiamin (B1)
0.19mg
16%
Niacin (B3)
2.35mg
15%
Folate
16.8mcg
4%

Minerals in Mashed Potatoes

Per Cup ~210g

Calcium
50.4mg
4%
Iron
0.57mg
3%
Magnesium
37.8mg
9%
Phosphorus
96.6mg
8%
Potassium
622mg
13%
Sodium
634mg
28%
Zinc
0.59mg
5%
Selenium
1.68mcg
3%
Copper
0.29mg
33%
Manganese
0.25mg
11%

Amino Acids in Mashed Potatoes

Protein breakdown per cup (210g), from the USDA record for this food.

Essential Amino Acids Per cup (210g) Per 100g % of Protein
Histidine 97mg 46mg 2.4%
Isoleucine 174mg 83mg 4.3%
Leucine 277mg 132mg 6.9%
Lysine 267mg 127mg 6.6%
Methionine 74mg 35mg 1.8%
Phenylalanine 187mg 89mg 4.7%
Threonine 151mg 72mg 3.8%
Tryptophan 61mg 29mg 1.5%
Valine 235mg 112mg 5.9%
Other Amino Acids Per cup (210g) Per 100g % of Protein
Alanine 128mg 61mg 3.2%
Arginine 168mg 80mg 4.2%
Aspartic Acid 825mg 393mg 20.6%
Cystine 44mg 21mg 1.1%
Glutamic Acid 731mg 348mg 18.2%
Glycine 109mg 52mg 2.7%
Proline 208mg 99mg 5.2%
Serine 193mg 92mg 4.8%
Tyrosine 164mg 78mg 4.1%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

Learn More About Mashed Potatoes

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Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.