White Mushrooms, Boiled

USDA composition for white mushrooms, boiled, and what a Nutrition Facts panel would print at the serving you choose — rounded by the FDA’s own declaration rules.

Also calledbutton mushroomscommon mushroomschampignontable mushroomscooked mushroomswhite button mushroomschampinoneskhumb
Reference basis
Label serving

Switch to 100 g to see the raw published values with no rounding applied.

Calories
45
Protein
3 g
Total fat
0.5 g
Sodium
0 mg
Nutrient
Calories43.68 kcal45 kcal
Total Fat0.7332 g0.5 g1%
Saturated Fat0.09516 g0 g0%
Trans Fat0 g0 g
Cholesterol0 mg0 mg0%
Sodium3.12 mg0 mg0%
Total Carbohydrate8.2524 g8 g3%
Dietary Fiber3.432 g3 g12%
Total Sugars3.6504 g4 g
Added Sugarsnot reported
Protein3.3852 g3 g7%
Vitamin D0.312 mcg0.3 mcg2%
Calcium9.36 mg10 mg0%
Iron2.7144 mg2.7 mg15%
Potassium555.36 mg560 mg10%

Label declares applies the rounding rules in 21 CFR 101.9(c) to the measured amount at this serving. Select any rounding rule for the band and its citation; select a column heading to hide that column.

Showing cup pieces, 156 grams. 45 calories.

Insights

Every figure below has a formula — select any heading to see it. These are properties of the ingredient, so they do not move with serving size: 15% of white mushrooms, boiled’s calories come from fat whether you weigh out tbsp or cup pieces.

These are descriptive ratios, not nutrient content claims. A claim such as “good source of calcium” or “high protein” is evaluated per RACC serving under 21 CFR 101.54 — a different calculation, on a different basis, which this page does not make.
7.7 g
31.0%
15.1%
75.6%
0.28 kcal/g
3.09 g
2.40
0.01
0.07
3.00
3.13
179.00

Where every number on this page came from

Three versioned inputs. If any changes, the page is rebuilt and the build id below changes with it.

Composition
USDA FoodData Central
FDC 169252 · SR Legacy · released 2018-04
Rounding & %DV
FDA 21 CFR 101.9
§ 101.9(c), § 101.9(d)(7) · eCFR snapshot 2026-02-12
Read on eCFR →
Naming & ratios
BetterMenu enrichment
8 aliases · 13 ratios
Page built from bundle v1.3.0 · Aug 26, 2026 · commit 7fdde67
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Daily Values shown are for adults and children 4 years and older. This page reports published composition data for a reference food — it is not an analysis of your formulation, and it is not a substitute for one.

For informational purposes only; verify against 21 CFR 101.9.