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Onion, boiled Calories and nutrition facts · Cooked vegetables

33 kcal per medium (94 g)
Carbs
5.4 g
Fibre
1.9 g
Sugars
5.4 g
Protein
1.4 g
Fat
0.11 g
35 kcal per 100 g
Carbs
5.7 g
Fibre
2 g
Sugars
5.7 g
Protein
1.5 g
Fat
0.12 g

Where the calories come from

Protein 20% Carbs 76% Fat 4%

Onion, boiled has 33 kcal per medium (94 g), with 5.4 g carbs, 1.9 g fibre, 1.4 g protein and 0.11 g fat. 100 g has 35 kcal.

Diet tags

Cholesterol reduced Egg free Gluten free Lacto-ovo vegetarian Lactose free Lacto vegetarian Low protein Milk free Low gluten No added salt Soy free Unsweetened Vegan

Last updated November 10, 2026 · Where the data comes from

Get to know onion, boiled in Nutriely

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Other forms of onion

How it compares with other cooked vegetables

Per 100 g, against the 51 cooked vegetables in our catalog.

  • Calories 35 kcal · typical 41 kcal
  • Vitamin K 0.83 µg · typical 19.3 µg

    Less vitamin K than 96% of cooked vegetables.

  • Fibre 2 g · typical 2.7 g

    Less fibre than 76% of cooked vegetables.

  • Vitamin C 7.9 mg · typical 15.8 mg
  • Vitamin E 0.05 mg · typical 0.65 mg

    Less vitamin E than 94% of cooked vegetables.

  • Sugars 5.7 g · typical 3.7 g

    More sugars than 85% of cooked vegetables.

The bar shows this food; the line marks the typical (median) value of the category.

Nutrients in onion, boiled

Pick an amount to see what it gives you. Tap a nutrient to learn what it does.

% of the daily value for a healthy adult. Your own needs depend on age, sex and activity.

Energy and macros
Vitamins
Minerals
Carbohydrates
Fats
Amino acids

Amino acid data is mapped from the USDA database, for information only.

Onion, boiled in other food databases

The same food in national food composition databases, next to ours. Per 100 g.

Per 100 g Nutriely BLS Ciqual Fineli USDA
Energy (kcal) 35 27 35 35 44
Protein (g) 1.49 0.7 1.3 1.49 1.36
Fat (g) 0.12 0.3 0.2 0.12 0.19
Carbohydrates (g) 5.71 4.13 6.2 5.71 8.75
Sugars (g) 5.71 4.13 4 5.71 4.73
Fibre (g) 2.02 2.3 1.4 2.02 1.4

Compare every nutrient across databases

Switch between Nutriely, BLS, Ciqual, Fineli and USDA for all the vitamins, minerals and amino acids of onion, boiled in the Nutriely app.

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BLS: “Onion boiled” · Ciqual: “Onion, cooked” · Fineli: “Onion, boiled without salt” · USDA: “Onions, cooked, boiled, drained, without salt”. Databases measure different samples, so some spread is normal. Nutriely's values are what the app uses. Sources and licences.

Ingredients

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Where the data comes from

How we combine and check nutrition data: Nutriely data sources.

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