Onion: Calories and Nutrition Analysis


Onion - calories, kcal

Calories in onion

100g of onions contain about 40 calories (kcal).
Calories per: ounce | one onion | slice | cup, sliced

For example, a medium size onion (110 g) contain about 44 calories.

This is about 2% of the daily caloric intake for an average adult with medium weight and activity level (assuming a 2000 kcal daily intake).

Scroll down for details and nutrition tables.

Nutrition Facts

Onion
Serving size:
medium size onion (110 g)  change
medium size onion (110 g) (110g)slice (15g)cup, sliced (115g)
5g10g15g20g30g40g50g60g80g100g120g140g160g180g200g220g250g300g350g400g450g500g600g700g800g900g1000g
1oz2oz3oz4oz5oz6oz7oz8oz10oz12oz15oz20oz25oz30oz35oz40oz50oz

Amount Per Serving:
Calories
44

% Daily Value

Total Fat 0.11g
0%

Saturated Fat 0g
0%

Cholesterol 0mg
0%

Sodium 4.4mg
0%

Total Carbohydrates 10.27g
4%

Dietary Fiber 1.87g
7%

Sugars 4.66g

Protein 1.21g
2%

Vitaminium C 8.14mg
9%

Calcium 25.3mg
2%

Iron 0.23mg
1%

Potassium 160.6mg
3%

Glycemic Index: 15

* The % Daily Value (DV) shows how much a nutrient in one serving of food contributes to your total daily diet. A 2000-calorie daily intake is used as a general guideline for nutrition advice.
Source of calories in onion
88% CARBS
10% PROTEIN
2% FAT

To visualize how much 44 kcal actually is, keep in mind that the calorie content of medium size onion is similar to that of, for example:

  • 0.5 apple
  • 0.5 glass of Coca Cola (220 ml glass)
  • 2 cubes of sugar

Take a quick look at the tables below for detailed information about onion nutrition.

medium size onion (110 g) has 44 kcal. For burning these calories you have to:
Bike6 min.Bike
Horse ride8 min.Horse ride
Play tennis4 min.Tennis
Run4 min.Run
Swim5 min.Swim
Calories in Onion Compared with Others in Vegetables Category

100g of Onion

Nutrition

  • Calories40
  • Carbs Total9.34 g
  • Dietary fiber1.7 g
  • Fat0.1 g
  • Saturated fat0 g
  • Protein1.1 g
  • Water89.11 g

Vitamins

  • Vit A2 IU
  • Vit B1 (Thiamine)0.046 mg
  • Vit B2 (riboflavin)0.027 mg
  • Vit B3 (Niacin)0.116 mg
  • Vit B50.123 mg
  • Vit B60.12 mg
  • Vit B9 (Folic acid)0.019 mcg
  • Vit C7.4 mg
  • Vit E0.02 mg

Minerals

  • Potassium146 mg
  • Magnessium10 mg
  • Calcium23 mg
  • Sodium4 mg
  • Iron0.21 mg
  • Beta karoten1 mcg

Per 100 g, Onion is low in sodium.

Sodium is a mineral eaten mostly as salt (1 g of sodium is about 2.5 g of salt). The FDA Daily Value is 2,300 mg.

How many calories are in onions?

  • Medium size onion (110 g)44 kcal
  • Slice of onion (15g)6 kcal
  • Onion cup, sliced (115g)46 kcal
  • Ounce (oz) of onions11 kcal
Onion - caloies, wieght

About the data

Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.

Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.

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