Red Onion: Calories and Nutrition Analyse



How many calories in red onion?

100g of red onion has about 33 calories (kcal).
Calories per: ounce | one red onion | cup | half cup

To show you what does it mean, medium size red onion (90 g) has about 30 calories.

It is about 1% of daily calories intake for adult person with medium weight and medium activity (for calculation we assumed 2400 kcal daily intake).

Red onion - calories, kcal

Scroll down for details and nutrition tables.

To visualize how much 30 kcal actually is, take in mind that calories amount from red onion is similar to calories amount from ie.:

  • 0.5 apple
  • 1.5 cubes of sugar

Take a look at tables below to see details about red onion nutrition.

Calories in Red Onion Based On Vegetables Category

See all nutrition data of red onion on charts.

Calories33kcal/100g(9 kcal/oz)
Protein1.2g/100g(0.3 g/oz)
Carbs Total6.1g/100g(1.7 g/oz)
Fat0.4g/100g(0.1 g/oz)

Calories And Nutrition in Medium Size Red Onion (90 G), 100g and Ounce

per 100 gper ouncemedium size red onion (90 g)
Calories33 9.36 29.7
Carbs Total6.1 g1.73 g5.5 g
Dietary fiber1.7 g0.48 g1.5 g
Fat0.4 g0.11 g0.4 g
Saturated fat0.11 g< 0.1 g< 0.1 g
Protein1.2 g0.34 g1.1 g
Water90.8 g25.74 g81.7 g

red onion - vitamins per 100g

  • Vit A2 IU
  • Vit B1 (Thiamine)0.03 mg
  • Vit B2 (riboflavin)0.03 mg
  • Vit B3 (Niacin)0.2 mg
  • Vit B60.1 mg
  • Vit C6 mg
  • Vit E0.12 mg

Energy content of red onion

  • 74% CARBS
  • 15% PROTEIN
  • 11% FAT

red onion - minerals per 100g

  • Potassium121 mg
  • Phosphorus14 mg
  • Magnessium8 mg
  • Calcium25 mg
  • Sodium6 mg
  • Iron0.5 mg
  • Zink0.24 mg
  • Beta karoten12 mg

How many calories in 1, 2, 3 or 5 red onions?

As I wrote before medium size red onion (90 g) has 30 calories. It is easy to count that two red onions have about 60 calories and three red onions have about 90 calories. In table below you can also see calories amount for four and five red onions.

  • Medium size red onion (90 g)30 kcal
  • Cup of red onion (160g)53 kcal
  • Half cup of red onion (80g)26 kcal
  • Ounce (oz) of red onion9 kcal
  • Half of medium size red onion15 kcal
  • Small size red onion (72g)24 kcal
  • Big size red onion (117g)39 kcal
  • Two medium size red onions60 kcal
  • Three medium size red onions90 kcal
  • Four medium size red onions120 kcal
  • Five medium size red onions150 kcal

Protein in red onion

Red onion has 1.2 g protein per 100g.
When you multiplay this value with weight of medium size red onion (90 g) you can see that you will get about 1.1 g of protein.

Carbs in red onion

Red onion has 6.1 g carbohydrates per 100g.
In the same way as for protein we can calculate that medium size red onion (90 g) has about 5.5 g of carbs.

Fat in red onion

Red onion has 0.4 g fat per 100g.
So it is easy to count that medium size red onion (90 g) has about 0.4 g of fat.

Red onion - caloies, wieght

medium size red onion (90 g) has:

30kcalFor burning these calories you have to:
Bike4 min.Bike
Horse ride6 min.Horse ride
Play tennis3 min.Tennis
Run3 min.Run
Swim4 min.Swim

Interesting charts - compare red onion with other vegetables

When you look at charts below you will see how red onion looks like in comparsion to other products from its category. When you click on selected product you will se detailed comparsion.

Vitamin C in Red Onion Based On Vegetables Category
Fiber in Red Onion Based On Vegetables Category
Fat in Red Onion Based On Vegetables Category
Iron in Red Onion Based On Vegetables Category
Magnesium in Red Onion Based On Vegetables Category
Phosphorus in Red Onion Based On Vegetables Category
Potassium in Red Onion Based On Vegetables Category
Protein in Red Onion Based On Vegetables Category
Sodium in Red Onion Based On Vegetables Category
Vitamin B1 in Red Onion Based On Vegetables Category
Vitamin B2 in Red Onion Based On Vegetables Category
Vitamin B3 (Niacin) in Red Onion Based On Vegetables Category
Vitamin B6 in Red Onion Based On Vegetables Category
Vitamin E in Red Onion Based On Vegetables Category
Water in Red Onion Based On Vegetables Category
Zinc in Red Onion Based On Vegetables Category
Carbohydrates in Red Onion Based On Vegetables Category
Calories in Red Onion Based On Vegetables Category
Calcium in Red Onion Based On Vegetables Category
Vitamin A in Red Onion Based On Vegetables Category
Marcin Piotrowicz
Author of this page
Marcin Piotrowicz

calories-info.com creator
Healthy diet and healthy lifestyle promoter

All information about nutrition on this website was created with help of information from the official United States Department of Agriculture database.

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