Onion (Raw) Calories and Nutrition
1 medium onion (~110 g) of Onion (Raw) contains 44 calories, 1.2g protein, 10.3g carbs and 0.1g fat — a vegan dish in the vegetables category.
Nutrition facts
| Nutrient | Per 100 g | Per 1 medium onion (~110 g) |
|---|---|---|
| Calories | 40 kcal | 44 kcal |
| Protein | 1.1 g | 1.2 g |
| Carbs | 9.34 g | 10.3 g |
| Fat | 0.1 g | 0.1 g |
| Fiber | 1.7 g | 1.9 g |
| Sugar | 4.24 g | 4.7 g |
| Sodium | 4 mg | 4.4 mg |
| Calcium | 23 mg | 25.3 mg |
| Iron | 0.21 mg | 0.2 mg |
| Saturated fat | 0.04 g | 0 g |
| Cholesterol | 0 mg | 0 mg |
Calorie calculator
Enter how much you ate and we'll calculate the nutrition.
- Calories
- — kcal
- Protein
- — g
- Carbs
- — g
- Fat
- — g
How Onion (Raw) fits in your diet
A 1 medium onion (~110 g) of onion (raw) contributes about 2% of a 2,000-kcal daily target and roughly 2% of an average adult's 50 g daily protein floor. Typically made with onion.
Raw red onion — the foundational aromatic in most Indian curries. For a balanced Indian plate, pair it with a protein source (dal, paneer, eggs or chicken), a sabzi and a small portion of curd or salad. Restaurant or street-style versions can run 20–40% higher in calories because of extra oil, ghee or cream — adjust portion size accordingly.
Related foods
Frequently asked questions
How many calories are in Onion (Raw)?
Onion (Raw) has roughly 44 kcal per 1 medium onion (~110 g) (about 40 kcal per 100 g). Macros: 1.2g protein, 10.3g carbs, 0.1g fat.
Is Onion (Raw) good for weight loss?
Yes — at 44 kcal per typical serving, onion (raw) is light and weight-loss-friendly.
How much protein is in Onion (Raw)?
Onion (Raw) delivers about 1.2g protein per 1 medium onion (~110 g). Pair with dal, paneer, eggs or chicken to hit a protein target.
Can diabetics eat Onion (Raw)?
Yes, onion (raw) is generally diabetic-friendly in normal portions. Watch oil and added sugar.
How does Onion (Raw) fit into a typical Indian meal?
Onion (Raw) sits well alongside dal, a vegetable sabzi, curd and a small green salad. Keep the plate balanced for steady glucose and good satiety.
Sources
Nutrition values for onion (raw) are sourced from USDA FoodData Central (FDC 170000). Per-100 g figures scaled to the selected serving above.
Primary reference: View on USDA FoodData Central
Updated: 17/5/2026