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Protein in potato: 4.3 g in 1 medium potato

There are 4.3 g of protein in 1 medium potato (173 g). 100 g of potato has 2.5 g of protein and 93 kcal. The values come from USDA FoodData Central, and the lookup below works out any other amount.

Protein

4.3g protein

in 1 medium potato (173 g)

2.5 g of protein and 93 kcal in 100 g

2.7 g of protein per 100 kcal

USDA FoodData Central, FDC ID 170093

Protein in potato per portion

Protein in each portion the USDA record lists, and in 100 g:

Protein in potato per portion
Portion	Weight	Protein
1 medium potato	173 g	4.3 g
1 large potato	299 g	7.5 g
1 small potato	138 g	3.5 g
100 g of potato	100 g	2.5 g

Protein per 100 kcal

There are 2.7 g of protein in every 100 kcal of potato. When your appetite is small, this number shows how much protein a food brings for the energy it takes up. In our table of 50 foods ranked by protein per 100 g, this food is number 46.

Potato compared with similar foods

Protein per 100 g and per 100 kcal, from the USDA record of each food:

Potato compared with similar foods
Food	Protein per 100 g	Protein per 100 kcal
Potato	2.5 g	2.7 g
Sweet potato	2.0 g	2.2 g
Rice	2.7 g	2.1 g
Green peas	5.2 g	6.6 g

See all 50 foods ranked by protein in the protein in foods table. For the published protein reference for your body weight, see the protein calculator.

About these values

The record is a potato baked in its skin, with the skin eaten, without salt. The USDA record is "Potatoes, baked, flesh and skin, without salt" (SR Legacy, FDC ID 170093). It gives 2.5 g of protein and 93 kcal per 100 g.

Protein in a portion is its weight times the protein per 100 g, divided by 100. For 1 medium potato: 173 × 2.5 ÷ 100 = 4.3 g. Values on this page are rounded to 0.1 g.

A packaged food's own label can differ from the USDA average. When you have the label, its numbers are the ones for that product.