White Onions: Calories and Nutrition Analyse
How many calories in white onion?

Nutrition Facts
White OnionServing size:
medium size white onion (110 g) change
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Amount Per Serving:
100g of white onions contain about 38 calories (kcal).
Calories per:
ounce
| one white onion
| cup
| half cup
To give you an idea, a medium size white onion (110 g) contain about 42 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.
To visualize how much 42 kcal actually is, keep in mind that the calorie content of white 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 white onion nutrition.
100g of White Onion
Nutrition
- Calories38
- Carbs Total8.61 g
- Dietary fiber1.9 g
- Fat0.05 g
- Protein0.83 g
- Water90.1 g
Vitamins
- Vit C8.2 mg
Minerals
- Potassium182 mg
- Phosphorus34 mg
- Magnessium9 mg
- Calcium15 mg
- Sodium1 mg
- Iron0.28 mg
- Zink0.2 mg
Discover the Nutritional Powerhouse: White Onions
White onions, often overshadowed by their red and yellow counterparts, are a culinary staple with a plethora of health benefits. Beyond their ability to add a sweet, yet sharp, flavor to dishes, white onions are a nutritional powerhouse. Let's dive into the calories in white onions, their nutrition profile, and why they should be a part of your diet.
Caloric Content and Macronutrients
One of the most appealing aspects of white onions is their low caloric content. With only 38 calories per 100 grams, they are a weight-loss-friendly food. But don't let their low calorie count fool you; these onions are packed with nutrients. They contain 8.61 grams of carbohydrates, of which 1.9 grams are dietary fiber, helping in digestion and maintaining a healthy gut.
When it comes to protein and fat in white onions, they offer a modest amount. Each serving contains approximately 0.83 grams of protein and a negligible 0.05 grams of fat, making them an excellent addition to any meal plan, especially for those monitoring their fat intake.
Minerals and Vitamins Galore
White onions are not just about macronutrients; they are also rich in essential minerals and vitamins. They provide a good source of potassium (182 mg), crucial for heart health, and calcium (15 mg), important for bone health. Additionally, they offer a boost of vitamin C (8.2 mg), an antioxidant that supports the immune system, and a variety of other minerals like magnesium, phosphorus, and zinc.
The Role of White Onions in a Healthy Diet
Incorporating white onions into your diet can offer more than just flavor. Their high water content (90.1%) helps keep you hydrated and can contribute to your daily fluid intake. The dietary fiber in white onions not only aids in digestion but also helps in controlling blood sugar levels, making them a smart choice for people with diabetes or those trying to manage their blood sugar.
Moreover, the low sodium (1 mg) content in white onions makes them an excellent food for maintaining healthy blood pressure levels. And with their array of vitamins and minerals, they can help combat nutritional deficiencies.
Conclusion
White onions are a versatile and nutritious vegetable that can enhance the flavor of various dishes while contributing to a healthy diet. With their low calorie and fat content, along with a rich profile of nutrients, they are an excellent choice for anyone looking to maintain a balanced diet. Whether you're trying to lose weight, manage a health condition, or simply eat healthier, white onions are a valuable addition to your meals.
Remember, incorporating a variety of vegetables into your diet is key to getting the nutrients your body needs. So, next time you're at the grocery store, don't overlook the white onions. They might just be the nutritional boost you're looking for.
How many calories are there in 1, 2, 3, or 5 servings of white onions?
- Medium size white onion (110 g)42 kcal
- Cup of white onion (225g)86 kcal
- Half cup of white onion (112.5g)43 kcal
- Ounce (oz) of white onions11 kcal
- Half of medium size servings of white onion21 kcal
- Small size serving of white onion (88g)33.6 kcal
- Big size white onion (143g)54.6 kcal
- Two medium size servings of white onions84 kcal
- Three medium size servings of white onions126 kcal
- Four medium size servings of white onions168 kcal
- Five medium size servings of white onions210 kcal
Compare white onion:
white onion vs green onions, white onion vs red onion, white onion vs garlic, white onion vs shallot, white onion vs leek, see all compares of white onion.

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