🥦 Onion

40 kcal / 100 g · Vegetables

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40
kcal / 100 g

Onion

Protein 10%Carbohydrate 88%Fat 2%

A typical serving — one medium onion (110 g) — gives about 44 kcal.

Nutrition per 100 g and per serving

NutrientPer 100 gPer serving (one medium onion, 110 g)
Energy40 kcal44 kcal
Protein1.1 g1.2 g
Carbohydrate9.3 g10.2 g
  of which sugars4.2 g4.6 g
Fat0.1 g0.1 g
Fibre1.7 g1.9 g

These are the macronutrients most people track when planning meals. For a quick body-weight estimate, see our BMI calculator, and for cooking ideas browse the world recipe collection.

More in Vegetables

Approximate reference value per 100 g for the plain/raw form of onion, derived from public-domain food-composition tables. Real values vary with variety, ripeness, cut and cooking method. General nutritional data, not medical or dietary advice.

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