Red onion vs White onions: Which Has More Calories?
Per 100 g, Red onion has 33 kcal and White onions has 38 kcal, so Red onion has 13% fewer calories.
White onions has more carbohydrates (8.61 g vs 6.1 g). Relative to calories, Red onion is the better protein source (3.64 g vs 2.18 g of protein per 100 kcal).
Nutrition Facts
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Amount Per Serving:
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Amount Per Serving:
Red Onion vs White Onion 100g Compare
| per 100g | Red onion | White onions |
|---|---|---|
| Calories | 33 | 38 |
| Carbohydrates | 6.1 g | 8.61 g |
| Fat | 0.4 g | 0.05 g |
| Dietary fiber | 1.7 g | 1.9 g |
| Protein | 1.2 g | 0.83 g |
| Water | 90.8 g | 90.1 g |
| Calcium | 25 mg | 15 mg |
| Iron | 0.5 mg | 0.28 mg |
| Magnessium | 8 mg | 9 mg |
| Phosphorus | 14 mg | 34 mg |
| Potassium | 121 mg | 182 mg |
| Sodium | 6 mg | 1 mg |
| Zink | 0.24 mg | 0.2 mg |
| Vitaminium C | 6 mg | 8.2 mg |
Less Calories in Red onion
At first glance, you can see that in red onion is less calories than in white onion.
Red onion has 33 kcal per 100g and white onion 38 kcal per 100g so it is pretty easy to calculate that the difference is about 15%.
In red onion and in white onion most calories came from carbs.
See tables below to compare red onion with white onion in details.
Red onion 100g
33kcalCalories source
- 74% CARBS.
- 15% PROTEIN
- 11% FAT
White onions 100g
38kcalCalories source
- 90% CARBS
- 9% PROTEIN
- 1% FAT
Compares of red onion
Compares of white onion
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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.