Vegetables · Nutrition Facts
White Onion Nutrition Facts
White onions are a versatile culinary ingredient known for their mild sweetness and pungency. They are rich in antioxidants and contain various vitamins and minerals.
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40kcal
Calories
1.1g
Protein
8.2g
Carbs
0.2g
Fat
Where the calories come from
Full nutrition breakdown
Nutrition Facts
Per 100g · Per serving (1 medium white onion, 80g)
| Nutrient | Per 100g | Per serving |
|---|---|---|
| Calories | 40kcal | 32kcal |
| Protein | 1.1g | 0.9g |
| Total Carbohydrates | 8.2g | 6.6g |
| Dietary Fiber | 1.4g | 1.1g |
| Sugars | 5.1g | 4.1g |
| Total Fat | 0.2g | 0.2g |
| Saturated Fat | 0.1g | 0.1g |
| Sodium | 4mg | 3.2mg |
| Water | 86.7g | 69.4g |
Adjust the serving size
Estimate nutrients in a portion of White Onion. The calculation scales the values shown per 100 g; it is not a measurement of a specific food or product.
Listed serving: 1 medium white onion (80 g). Enter 1–5000 g.
- Calories
- 32 kcal
- Protein
- 0.88 g
- Carbohydrates
- 6.56 g
- Fiber
- 1.12 g
- Sugars
- 4.08 g
- Fat
- 0.16 g
- Sodium
- 3.2 mg
Estimate only. Food varieties, brands, preparation, and actual portion weights can change the values. Use product packaging for packaged foods.
Key vitamins & minerals
12% Daily Value
33% Daily Value
1% Daily Value
2% Daily Value
3% Daily Value
Serving ideas
- Slice them thinly and use as a topping for sandwiches or wraps.
- Chop them and add to stir-fries or omelets for a flavorful boost.
- Grate them and mix into potato salad for a crunchy texture.
Storage
Storage tip: Store white onions in a cool, dry place away from direct sunlight to maintain their freshness.
Record status
This page presents a record from our public dataset. It has not been independently verified by a nutrition professional.
Source context
No exact USDA record match has been verified for this food. Search results may include candidates that do not match the exact record or values shown. Read our methodology.
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Frequently asked questions
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