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Crimini Mushroom Calories and Nutrition Facts

Crimini Mushroom has 30 calories per 100 g, with 3.1 g protein, 4 g carbs and 0.2 g fat. Official USDA analytical record: Mushroom, crimini (FDC ID: 2003601).

⚡ Quick Nutrition Answer

A 100g serving of crimini mushroom contains 30 calories, 3.1g protein, 4g total carbs (2.2g net carbs), and 0.2g fat.

Energy density

0.3 kcal/g

very low

Protein / 100 kcal

10.3 g

satiety per calorie

Net carbs / 100 g

2.2 g

carbs minus fibre

100 kcal portion

333 g

≈ 11.7 oz

✓ Low calorie✓ Low fat✓ Low saturated fat✓ Very low sodium✓ Sugar free✓ Keto-friendly
Serving size
How many?

= 100 g total

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Calories
30
in 100 g · 30 kcal per 100 g
Carbs4 g · 53%
Protein3.1 g · 41%
Fat0.2 g · 6%
Sugars
0g
Fibre
1.8g
Saturated fat
0g
Sodium
5mg

Mushroom, crimini nutrition facts

The table below shows the complete nutritional profile for mushroom, crimini per 100 g (the laboratory analytical standard), alongside the share of the FDA Daily Value each nutrient covers. Most of its calories come from carbohydrate, and it is relatively low in calories.

NutrientPer 100 g% DV*
Calories30 kcal
Protein3.1 g6%
Carbohydrate4 g1%
Fat0.2 g0%
Sugars0 g
Fibre1.8 g6%
Saturated fat0 g0%
Sodium5 mg0%

*Percent Daily Value per 100 g, against the FDA reference intakes for adults and children 4+ years (50 g protein, 275 g carbohydrate, 28 g fibre, 78 g fat, 20 g saturated fat, 2300 mg sodium). Total sugars has no Daily Value — the 50 g reference applies to added sugars only, and USDA reports total sugars here.

Crimini Mushroom calories by weight: ounces, pounds and grams

USDA publishes this food per 100 g, so here is the same profile converted to the weights a kitchen scale and a US recipe actually use. At 0.3 kcal per gram (very low energy density), you can eat a large volume of this for very few calories, which makes it useful for filling out a meal in a deficit.

AmountCaloriesProteinCarbsFat
1 oz (28 g)9 kcal0.9 g1.1 g0.1 g
100 g (3.5 oz)30 kcal3.1 g4 g0.2 g
4 oz (113 g)34 kcal3.5 g4.5 g0.2 g
8 oz / ½ lb (227 g)68 kcal7 g9.1 g0.5 g
1 lb (454 g)136 kcal14.1 g18.1 g0.9 g
🏛️ Official USDA FoodData Central CitationFDC ID: 2003601

Data sourced from USDA FoodData Central Foundation Foods dataset (public domain, CC0). Laboratory food profile and analytical measurements verified under USDA FDC ID 2003601.

View raw USDA laboratory entry →

How crimini mushroom compares to other vegetables

Against the 80 vegetables in this database, crimini mushroom ranks 32nd lowest in calories and 8th highest in protein. The category averages 50 kcal per 100 g, so this one is 40% below it. The lightest option in the category is pickles, cucumber, dill or kosher dill at 12 kcal per 100 g, and the protein leader is flour, potato at 8.1 g per 100 g.

Vegetables (by calories)CaloriesProteinkcal/g
🥬 Spinach, mature28 kcal2.9 g0.28
🫑 Peppers, serrano, seeded, raw29 kcal0.9 g0.29
🍄 Mushroom, crimini (this page)30 kcal3.1 g0.3
🍽️ Arugula, baby, raw31 kcal1.7 g0.31
🥦 Broccoli, raw31 kcal2.6 g0.31

Portion planning with crimini mushroom

  • 100 calories comes to about 333 g (11.7 oz).
  • 20 g of protein takes about 645 g, bringing 194 kcal with it — that is 10.3 g of protein per 100 calories.
  • Fibre density is 6 g per 100 calories, covering 6% of the daily fibre target per 100 g.
  • Macro split by calories: 53% carbs, 41% protein, 6% fat.

Nutrient screening detail

The badges near the top of this page come from screening the per-100 g values against the FDA nutrient-content thresholds in 21 CFR 101.54–101.62. The regulations define those claims per reference serving rather than per 100 g, so treat these as a like-for-like comparison between foods, not as a statement about a product label:

  • Low calorie — 30 kcal per 100 g (≤ 40)
  • Low fat — 0.2 g per 100 g (≤ 3 g)
  • Low saturated fat — 0 g per 100 g (≤ 1 g)
  • Very low sodium — 5 mg per 100 g (≤ 35 mg)
  • Sugar free — 0 g total sugars per 100 g (< 0.5 g)
  • Keto-friendly — 2.2 g net carbs per 100 g (≤ 5 g)

Track crimini mushroom for free

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Crimini Mushroom FAQ & Nutrition Questions

How many calories and carbs are in 100 g of crimini mushroom?

One serving of 100 g provides 30 calories, 4 g total carbs (2.2 g net carbs), 3.1 g protein, and 0.2 g fat.

How many calories are in 100 g of crimini mushroom?

Crimini Mushroom contains 30 calories per 100 g, with 3.1 g protein, 4 g carbohydrate, and 0.2 g fat. Use the interactive calculator above to scale to any custom amount.

What is the USDA FoodData Central (FDC) ID for crimini mushroom?

The official USDA FoodData Central ID for "Mushroom, crimini" is FDC ID: 2003601. You can view the verified laboratory analytical record on the USDA FoodData Central Database.

What is the macronutrient breakdown of crimini mushroom?

By calories, crimini mushroom is approximately 53% carbohydrates, 41% protein, and 6% fat.

How many calories are in an ounce of crimini mushroom?

One ounce (28 g) of crimini mushroom has 9 calories, with 0.9 g protein, 1.1 g carbs and 0.1 g fat. Four ounces (113 g) comes to 34 calories, and a full pound (454 g) to 136 calories.

How much crimini mushroom is 100 calories?

About 333 g of crimini mushroom supplies 100 calories, because it carries 0.3 kcal per gram (very low energy density). You can eat a large volume of this for very few calories, which makes it useful for filling out a meal in a deficit.

How much crimini mushroom do I need for 20 g of protein?

Roughly 645 g of crimini mushroom, which also brings 194 calories with it. That works out to 10.3 g of protein per 100 calories.

How many net carbs are in crimini mushroom?

Per 100 g, crimini mushroom has 2.2 g net carbs — 4 g total carbohydrate minus 1.8 g fibre.

Is crimini mushroom high or low in calories for a vegetable?

Crimini Mushroom sits 40% below the vegetables average of 50 kcal per 100 g, ranking 32nd lowest of 80 in this category.

Is this nutrition data free to use?

Yes. The data is sourced directly from USDA FoodData Central (CC0 public domain). Viewing and scaling portions here is 100% free with no sign-up — and you can log this food free in our online food diary.