Onionsred, raw
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Nutrition Facts
Serving size1 Onion, Edible (197 g)
Amount per serving
Calories
% Daily Value*
Total Fat 0.2 g0%
Saturated Fat —
Trans Fat —
Cholesterol —
Sodium 2 mg0%
Total Carbohydrate 20 g7%
Dietary Fiber 4.3 g15%
Total Sugars 11 g
Protein 1.9 g
Vitamin D —
Calcium 33 mg3%
Iron 0.47 mg3%
Potassium 388 mg8%
* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. “—” = no data.
All nutrients
Per 1 Onion, Edible (197 g).
| Nutrient | Amount | % DV | Per 100 g | |
|---|---|---|---|---|
| Calories & macronutrients | ||||
| Calories | 87 kcal | 44 kcal | ||
| Protein | 1.9 g | 4% | 0.94 g | |
| Carbohydrate | 20 g | 7% | 9.9 g | |
| Fiber | 4.3 g | 15% | 2.2 g | |
| Total sugars | 11 g | 5.8 g | ||
| Total fat | 0.2 g | 0% | 0.1 g | |
| Saturated fat | — | — | — | |
| Monounsaturated fat | — | — | — | |
| Polyunsaturated fat | — | — | — | |
| Trans fat | — | — | — | |
| Cholesterol | — | — | — | |
| Vitamins | ||||
| Vitamin A (RAE) | — | — | — | |
| Vitamin C | 16 mg | 18% | 8.1 mg | |
| Vitamin D | — | — | — | |
| Vitamin E | — | — | — | |
| Vitamin K | — | — | — | |
| Thiamin (B1) | — | — | — | |
| Riboflavin (B2) | — | — | — | |
| Niacin (B3) | — | — | — | |
| Vitamin B6 | — | — | — | |
| Folate (DFE) | — | — | — | |
| Vitamin B12 | — | — | — | |
| Pantothenic acid (B5) | — | — | — | |
| Choline | — | — | — | |
| Minerals | ||||
| Calcium | 33 mg | 3% | 17 mg | |
| Iron | 0.47 mg | 3% | 0.24 mg | |
| Magnesium | 22 mg | 5% | 11 mg | |
| Phosphorus | 81 mg | 6% | 41 mg | |
| Potassium | 388 mg | 8% | 197 mg | |
| Sodium | 2 mg | 0% | 1 mg | |
| Zinc | 0.33 mg | 3% | 0.17 mg | |
| Copper | 0.11 mg | 13% | 0.06 mg | |
| Manganese | 0.23 mg | 10% | 0.12 mg | |
| Selenium | 0.99 mcg | 2% | 0.5 mcg | |
| Other | ||||
| Omega-3 ALA | — | — | — | |
| Omega-3 EPA | — | — | — | |
| Omega-3 DHA | — | — | — | |
| Water | 175 g | 89 g | ||
| Alcohol | — | — | — | |
| Caffeine | — | — | — | |
% DV = share of the FDA Daily Value for adults (a 2,000-calorie reference diet; adequate intake where no Daily Value exists). “—” means USDA has no measurement for this nutrient, which is not the same as zero.
Contaminants
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Other forms of onions
- Onionsyellow, raw54 kcal per 1 Onion, EdibleRich in Vitamin C
- Onionswhite, raw30 kcal per 1 standard serving
- Onionsraw24 kcal per 10 rings
- Onionssweet, raw47 kcal per 1 NLEA servingRich in Vitamin B6
- Onionswelsh, raw34 kcal per 100 gRich in Vitamin K
- Onionsspring or scallions (includes tops and bulb), raw5 kcal per 1 medium (4-1/8" long)Rich in Vitamin K
- Onionsyellow, sauteed107 kcal per 1 cup choppedRich in Vitamin K
- Onionsdehydrated flakes17 kcal per 1 tbsp
Nutritionally similar foods
- Lettuceromaine, green, raw15 kcal per 1 standard servingRich in Vitamin K
- Squashwinter, acorn, raw36 kcal per 1 standard servingRich in Folate
- Asparagusgreen, raw20 kcal per 1 standard servingRich in Folate
- Carrotsmature, raw38 kcal per 1 standard servingRich in Vitamin A
- Radicchioraw26 kcal per 100 gRich in Folate
- Fennelbulb, raw27 kcal per 100 gRich in Vitamin C
Where this data comes from
USDA’s newest lab analyses of single foods, with detailed sampling information.
- Dataset
- USDA FoodData Central, Foundation Foods
- Published
- April 1, 2020
- Release used
- FoodData Central Foundation Foods 2026-10-29
Values are per 100 g of edible portion, scaled to the serving you choose. USDA data is public domain. For general information, not medical advice.