Mushrooms calories
1 serving · 100 g: about 20–20 kcal. 22 kcal per 100 g: 3.1 g protein, 3.3 g carbohydrate, 0.3 g fat.

In portions
| Portion | Amount | Calories |
|---|---|---|
| 1 serving | 100 g | 20–20 kcal |
| 1 piece | 18 g | 4 kcal |
Nutrition facts (100 g)
| Energy | 22 kcal |
|---|---|
| Protein | 3.1 g |
| Carbohydrate | 3.3 g |
| Sugar | 2 g |
| Fiber | 1 g |
| Fat | 0.3 g |
| Saturated fat | 0.1 g |
| Sodium | 5 mg |
Where the calories come from: protein 43% · carbohydrate 46% · fat 11%.
Source: USDA FoodData Central record 169251. The same food can vary by ±10% with its variety, recipe and brand.
Frequently asked questions
Mushrooms: how many grams and calories in 1 serving?
1 serving is about 100 g on average and has about 20–20 kcal.
Mushrooms: how much protein does it have?
Per 100 g there are 3.1 g of protein; 1 serving (100 g) has about 3 g of protein. About 43% of its calories come from protein.
Mushrooms: does it make you gain weight?
No single food makes you gain weight on its own; your weight depends on the day’s total calories. 1 serving (100 g) has about 22 kcal: about 1% of a 2,000 kcal day (the reference on nutrition labels). Its energy density is very low (0.2 kcal per gram): you can eat more of it for the same calories. Nearly half of its calories come from carbohydrate.
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Similar foods
Among vegetables, it is one of the lightest: 22 kcal per 100 g (average 45 kcal).
- Green pepper 1 piece (long) ~4 kcal
- Arugula 1 serving ~8 kcal
- Purslane 1 serving ~20 kcal · 2 g protein
- Mushrooms 1 serving ~22 kcal · 3 g protein
- Spinach 1 serving ~23 kcal · 3 g protein
- Cabbage 1 serving ~25 kcal · 1 g protein
- Cauliflower 1 serving ~38 kcal · 3 g protein
- Pumpkin 1 slice ~39 kcal · 2 g protein
- Eggplant 1 piece (medium) ~63 kcal · 2 g protein