NutriBasesNutrition Intelligence

Vegetables

Onions, Raw

40kcalCalories
1.1gProtein
0.1gFat
9.3gCarbs

Calorie & macro balance

Share of calories from each macronutrient (per 100 g).

40 kcal / 100 g
  • Protein11.2%1.1 g
  • Fat2.3%0.1 g
  • Carbs86.5%9.3 g

Full nutrition facts (per 100 g)

NutrientPer 100 g% DV*
Energy
Calories 40 kcal 2%
Macronutrients
Protein 1.1 g 2%
Total Fat 0.1 g <1%
Saturated Fat 0 g <1%
Carbohydrate 9.3 g 3%
Dietary Fiber 1.7 g 6%
Total Sugars 4.2 g 8%
Minerals
Sodium 4 mg <1%
Potassium 146 mg 3%
Calcium 23 mg 2%
Iron 0.2 mg 1%
Magnesium 10 mg 2%
Vitamins
Vitamin C 7.4 mg 8%
Vitamin A 0 mcg 0%
Vitamin D 0 mcg 0%
Other
Cholesterol 0 mg 0%

* Percent of the Daily Value (based on a 2,000 kcal diet).

Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.

Frequently asked questions

How many calories are in Onions, Raw?
A 100 g serving of Onions, Raw has 40 kcal. The calories in your portion depend on its weight and how it is prepared.
How much protein is in Onions, Raw?
Per 100 g there are 1.1 g of protein — about 2% of the Daily Value (50 g).
How much fat and carbs are in Onions, Raw?
Per 100 g there are 0.1 g of fat and 9.3 g of carbohydrate, including 1.7 g of fiber.

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Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.