Potato with Skin
Vegetable

How much fiber is in potato with skin?

Potato with Skin has 3.6 g of fiber per 1 medium (150 g). That is 13% of the daily value and a good amount for a vegetable.

3.6g
per 1 medium
2.4g
per 100 g
13%
daily value
#9of 60
vegetables

Soluble vs insoluble

Soluble 1.2g 33% Insoluble 2.4g 67%

The split is approximate and comes from USDA SR Legacy analyses where available. Soluble fiber dissolves into a gel and is the type most linked to cholesterol and blood sugar effects. Insoluble fiber adds bulk and keeps things moving.

About potato with skin and fiber

A medium baked potato with the skin on is 3.6 grams of fiber, double the peeled version. The skin is where most of the insoluble fiber sits, so eating it is the whole trick.

Counts toward plant diversityLow FODMAP at this serving

How potato with skin compares to other vegetables

Per typical serving. The highest vegetable in the database is artichoke at 6.9 g.

FoodServingFiberPer 100 g% DV
Green Peas1/2 cup4.4 g5.5 g16%
Sweet Potato1 medium3.8 g3.3 g14%
Swiss Chard1 cup cooked3.7 g2.1 g13%
Pumpkin (Canned)1/2 cup3.6 g3 g13%
Potato with Skin1 medium3.6 g2.4 g13%
Brussels Sprouts1 cup3.3 g3.8 g12%
Sun-Dried Tomatoes1/4 cup3.3 g12.2 g12%

All 60 vegetables ranked by fiber

Servings to reach a daily goal

7×

servings of potato with skin to reach 25 g, the adequate intake for adult women

11×

servings of potato with skin to reach 38 g, the adequate intake for adult men

Nobody should get all their fiber from one food. Gut bacteria respond to variety, and the fiber calculator shows a mixed day that reaches your number.

USDA entries for potato with skin

Grams of fiber per 100 g from USDA FoodData Central (snapshot 2026-10-11). Different preparations and varieties explain the spread.

USDA descriptionFiber / 100 gSolubleInsoluble
Potatoes, baked, flesh and skin, without salt2.2 g––
Potatoes, Russet, flesh and skin, baked2.3 g––
Potatoes, baked, flesh and skin, with salt2.2 g––
Potato, baked, peel eaten2.2 g––
Potatoes, russet, flesh and skin, raw (Includes foods for USDA's Food Distribution Program)1.3 g––
Potato, baked, peel eaten, with meat1.7 g––
Potato, baked, peel eaten, with chili2.1 g––
Potato, baked, peel eaten, with cheese1.7 g––

Frequently asked questions

How much fiber is in potato with skin?
1 medium of potato with skin, about 150 grams, contains 3.6 grams of dietary fiber. That is 2.4 grams of fiber per 100 grams and 13% of the 28 gram daily value.
Is potato with skin high in fiber?
Potato with Skin is a good source at 3.6 g per serving, ranking 9 of 60 vegetables in the FiberUp database. Pairing it with a legume or whole grain gets a meal past 10 g.
Is the fiber in potato with skin soluble or insoluble?
About 33% of the fiber in potato with skin is soluble (1.2 g) and 67% is insoluble (2.4 g). Soluble fiber forms a gel that slows digestion and feeds gut bacteria; insoluble fiber adds bulk and speeds transit.
How many servings of potato with skin would reach a daily fiber goal?
It would take about 7 servings to reach 25 g (the adequate intake for adult women) and 11 servings to reach 38 g (adult men). Spreading fiber across several foods is easier and better for gut bacteria diversity.

Values are per typical serving from USDA FoodData Central and standard references, rounded to one decimal. Actual fiber varies with variety, ripeness, and preparation. This is general nutrition information, not medical advice.