VeganVegetables

Onion

Nutrition Facts Per 100g

Also known as: PYAAZ

Onion is a commonly used vegetable in Indian cooking. At just 40 kcal per 100g with 1.7g of dietary fiber per 100g, it fits easily into calorie-conscious meals. It is a notable source of Vitamin C (approximately 9% of a typical adult's daily needs) and Vitamin B6 (approximately 9% of a typical adult's daily needs). Below is the complete nutritional profile of Onion per 100g serving.

Nutrition Summary

40kcalCalories

1.1gProtein

9.3gCarbs

0.1gFat

1.7gFiber

Protein 11% Carbs 93% Fat 2%

Micronutrients

Calcium23.0 mg(2%)

Iron0.2 mg(2%)

Zinc0.4 mg(4%)

Potassium146 mg(5%)

Sodium4.0 mg(1%)

Magnesium10.0 mg(3%)

Phosphorus29.0 mg(4%)

Thiamin (B1)0.0 mg(4%)

Riboflavin (B2)0.0 mg(2%)

Niacin (B3)0.1 mg(1%)

Vitamin C7.4 mg(9%)

Carotenoids0 µg(0%)

β-Carotene0 µg(0%)

Vitamin A0 µg(0%)

Folate (B9)19.0 µg(5%)

Vitamin B60.1 mg(9%)

Vitamin B120 µg(0%)

Vitamin D0 µg(0%)

Vitamin E0.1 mg(1%)

Fat Breakdown4

MUFA0.0 g

PUFA0.0 g

Omega-30 g

Omega-60.0 g

Limit These2

Saturated Fat0.0 g

Cholesterol0 mg

Common Serving Sizes

1 fruit110g

44 kcal1.2g protein

1 cup chopped160g

64 kcal1.8g protein

100 g100g

40 kcal1.1g protein

Compare With Similar Foods

Frequently Asked Questions

How many calories are in Onion?

Onion contains 40 kcal per 100g. A typical serving (1 fruit) contains approximately 44 kcal.

How much protein is in Onion?

Onion provides 1.1g of protein per 100g, which is approximately 2% of an average adult's daily protein needs based on Indian RDA guidelines.

Is Onion good for weight loss?

Onion is a low-calorie food at just 40 kcal per 100g, making it a good choice for weight-loss diets when prepared without excessive oil or sugar.

Is Onion vegan?

Yes, Onion is vegan — it contains no animal-derived ingredients.

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About this data

These nutrition facts come from mealPlan.fit, practice-management software for dietitians and nutritionists in India. Values are based on the Indian Food Composition Tables (IFCT) and compared against ICMR 2020 RDAs. Dietitians use mealPlan.fit to analyse Indian meals on this same ingredient data, draft weekly meal plans with AI, and share plans with clients on WhatsApp.

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