Vegetable · Nutrition facts

Onion calories & nutrition

Onions are aromatic bulb vegetables with moderate natural sugars and antioxidant compounds like quercetin, used widely as a flavor base in cooking.

Per 100 g

40kcal

1.1gProtein

9.3gCarbs

0.1gFat

1.7gFibre

Per serving — 1 medium onion (110g)

44kcal

1.2gProtein

10.2gCarbs

0.1gFat

1.9gFibre

Nutrition facts

Nutrient	Per 100 g	1 medium onion (110g)
Calories	40 kcal	44 kcal
Protein	1.1 g	1.2 g
Carbohydrates	9.3 g	10.2 g
Fat	0.1 g	0.1 g
Fibre	1.7 g	1.9 g

Compare Onion

See how Onion stacks up on calories and macros:

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Values are typical estimates for the common edible portion and will vary by brand, ripeness, cut and preparation. For precise tracking, log onion in the Nutari app.

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