Onions, raw Nutrition Facts
Quick answer
One 100 g serving of onions, raw has 40 calories, 9.3 g of carbs, and 1.7 g of fiber.
Vegan
Keto
Gluten-free
Low-sodium
Paleo
Tags reflect category and nutrient values — see diet-tag pages for the rule behind each.
Nutrition Facts
Calories
64
| Amount | %DV* | |
|---|---|---|
| Fat | 0.2 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | — |
| Cholesterol | 0 mg | 0% |
| Sodium | 6.4 mg | 0% |
| Carbs | 14.9 g | 5% |
| Fiber | 2.7 g | 10% |
| Sugars | 6.7 g | — |
| Protein | 1.8 g | 4% |
Vitamins & Minerals
| Vitamin D | 0 mcg | 0% |
|---|---|---|
| Calcium | 36.8 mg | 3% |
| Iron | 0.3 mg | 2% |
| Potassium | 233.6 mg | 5% |
| Magnesium | 16 mg | 4% |
| Zinc | 0.3 mg | 2% |
| Vitamin A | 0 mcg | 0% |
| Vitamin C | 11.8 mg | 13% |
| Vitamin B12 | 0 mcg | 0% |
* % Daily Value (DV) shows how much a nutrient in a serving contributes to a daily diet, based on 2,000 calories a day — FDA Daily Values, 21 CFR 101.9. Not shown for Trans Fat (no DV established) or Sugars (the DV covers added sugars only; this record's Sugars value is total sugars).
Calories by Macronutrient
Protein 10%
Carbs 88%
Fat 2%
Share of calories from each macronutrient — 4 kcal/g protein & carbs, 9 kcal/g fat (FDA's general Atwater factors).
Common questions
How many calories are in a cup, chopped (160 g) of onions, raw?
A cup, chopped (160 g) serving of onions, raw has 64 calories, per USDA FoodData Central.
Is onions, raw low in iron?
Yes — a 100 g serving of onions, raw has 0.2 mg of iron, or 1% of the FDA Daily Value. The FDA considers 20% DV or more "high" and 5% DV or less "low."