Calories in Mushrooms, white button

Generic food Vegetables

Mushrooms, white button contains 25 kcal per 100 g. A typical serving of reference amount, racc (85 g) provides about 21 kcal.

Roughly 52% of its calories come from carbohydrates, with 37% from protein and 11% from fat (estimated with general energy factors).

That is less energy than the typical item in vegetables and vegetable products on FoodFactly, where the median is 35 kcal per 100 g across 866 foods.

100 g provides 43% of the Daily Value for copper, 36% of the Daily Value for selenium and 34% of the Daily Value for Riboflavin (B2).

The data comes from USDA FoodData Central: Foundation Foods, where most core values were measured by laboratory analysis.

25kcal per 100 g
2.9 gprotein
4.1 gcarbohydrates
0.37 gfat
21kcal in reference amount, racc (85 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 24.9 kcal
Total fat M 0.37 g 0.5%
Saturated fat not reported
Sodium M 6.4 mg 0.3%
Total carbohydrates C 4.1 g 1%
Dietary fiber M 1.7 g 6%
Total sugars not reported
Protein C 2.9 g 6%
Vitamin D C 0.022 µg0.1%
Thiamin (B1) M 0.065 mg5%
Riboflavin (B2) M 0.44 mg34%
Niacin (B3) M 3.9 mg24%
Vitamin B6 M 0.077 mg5%
Biotin (B7) M 9.1 µg30%
Folate (B9) M 34.8 µg9%
Calcium M 5.5 mg0.4%
Iron M 0.23 mg1%
Magnesium M 10.2 mg2%
Phosphorus M 93 mg7%
Potassium M 373 mg8%
Zinc M 0.51 mg5%
Copper M 0.39 mg43%
Manganese M 0.054 mg2%
Selenium M 20 µg36%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 37%Carbohydrates: 52%Fat: 11%25kcal / 100 g
  • Protein 37%
  • Carbohydrates 52%
  • Fat 11%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Copper43%Selenium36%Riboflavin (B2)34%Biotin (B7)30%Niacin (B3)24%Folate (B9)9%Potassium8%Phosphorus7%Thiamin (B1)5%Zinc5%

Nutritional insights

  • Protein2.9 gabove the median for vegetables and vegetable products (median 2 g)
  • Fiber1.7 gbelow the median for vegetables and vegetable products (median 2.2 g)
  • Fat0.37 gabove the median for vegetables and vegetable products (median 0.3 g)
  • Sodium6.4 mgin the lowest quarter of vegetables and vegetable products (median 36 mg)
  • Protein per 100 kcal11.6 gprotein density, useful for comparing foods with different calorie levels
  • Water91.8 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Amino acids (9)
Tryptophan M0.48 g
Threonine M1.4 g
Isoleucine M1.2 g
Leucine M1.9 g
Lysine M1.7 g
Methionine M0.37 g
Phenylalanine M1.1 g
Valine M2.5 g
Histidine M0.66 g
Carotenoids (2)
Vitamin D (D2 + D3), International Units C0.87 IU
Vitamin D2 (ergocalciferol) M0.022 µg
Sterols (6)
Ergosterol M55.6 mg
Stigmasterol M0 mg
Campesterol M0 mg
Beta-sitosterol M0 mg
Beta-sitostanol M0 mg
Delta-5-avenasterol M0 mg
Other components (11)
Water M91.8 g
Nitrogen M0.46 g
Ash M0.83 g
Delta-7-Stigmastenol M0 mg
Ergothioneine M4.3 mg
Beta-glucan M0.75 g
Vitamin D4 M0 µg
Ergosta-7-enol M1.6 mg
Ergosta-7,22-dienol M1.5 mg
Ergosta-5,7-dienol M5.8 mg
Glutathione M4.3 mg

Other forms of Mushrooms

Raw, cooked, dried and processed versions are separate records with their own measured values.

FoodCaloriesProteinCarbsFat
Mushrooms, Chanterelle, raw Raw 32 1.5 g 6.9 g 0.53 g
Mushrooms, morel, raw Raw 31 3.1 g 5.1 g 0.57 g
Mushrooms, brown, italian, or crimini, raw Raw 22 2.5 g 4.3 g 0.1 g
Mushrooms, shiitake, stir-fried Cooked 39 3.5 g 7.7 g 0.35 g
Mushrooms, shiitake, dried Dried or dry 296 9.6 g 75.4 g 0.99 g
Mushrooms, shiitake, cooked, without salt Cooked 56 1.6 g 14.4 g 0.22 g
Mushrooms, white, cooked, boiled, drained, with salt Cooked 28 2.2 g 5.3 g 0.47 g
Mushrooms, brown, italian, or crimini, exposed to ultraviolet light, raw Raw 22 2.5 g 4.3 g 0.1 g
Mushrooms, oyster, raw Raw 33 3.3 g 6.1 g 0.41 g
Mushrooms, straw, canned, drained solids Canned 32 3.8 g 4.6 g 0.68 g
Mushrooms, shiitake, raw Raw 34 2.2 g 6.8 g 0.49 g
Mushrooms, portabella, grilled Cooked 29 3.3 g 4.4 g 0.58 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Mushroom, crimini 24 3.1 g 4 g 0.2 g
Mushroom, portabella 26 2.8 g 4.7 g 0.31 g
Spinach, mature 22 2.9 g 2.6 g 0.6 g
Spinach, baby 21 2.9 g 2.4 g 0.62 g
Mushroom, pioppini 31 3.5 g 5.8 g 0.24 g
Cabbage, kimchi 15 1.1 g 2.4 g 0.5 g
Kimchi 15 1.1 g 2.4 g 0.5 g
Mushroom, oyster 33 2.9 g 6.9 g 0.19 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in mushrooms?

100 g of mushrooms has 25 kcal. Reference amount, racc (85 g): about 21 kcal.

How much protein is in mushrooms?

Mushrooms contains 2.9 g of protein per 100 g (6% of the 50 g Daily Value), or 2.5 g in reference amount, racc (85 g). About 37% of its calories come from protein. Compared with other vegetables and vegetable products, that is above the median (median 2 g).

How many carbs are in mushrooms?

Mushrooms has 4.1 g of total carbohydrates per 100 g, including 1.7 g of fiber.

How much fat is in mushrooms?

Mushrooms contains 0.37 g of fat per 100 g.

What vitamins and minerals does mushrooms contain?

Per 100 g, the most notable amounts relative to the Daily Value are copper (43% DV), selenium (36% DV), Riboflavin (B2) (34% DV), Biotin (B7) (30% DV) and Niacin (B3) (24% DV). The full list is in the vitamins and minerals table above.

How much sodium is in mushrooms?

100 g contains 6.4 mg of sodium, 0.3% of the 2,300 mg Daily Value.

Does mushrooms have the same nutrition not specified and raw?

No. Per 100 g, mushrooms, white button has 25 kcal, while mushrooms, Chanterelle, raw has 32 kcal. Processing changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: Foundation Foods, record dated October 28, 2021. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: Foundation Foods, record 1999629. License: CC0 1.0 (U.S. public domain). Source record dated October 28, 2021. Imported November 6, 2026.

Last updated: . Data quality score: 90/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.