USDA FoodData Central

Onions, raw: nutrition facts

Full nutrition facts for onions, raw: 40 calories (about 11 kcal per ounce), 1.1 g protein, 9.3 g carbohydrate, 0.1 g fat, fiber, sodium, vitamins and minerals per 100 g. It comes straight from USDA FoodData Central, not an AI guess.

Calories by portion

kcal

100 g (standard basis)40 kcal

1 oz (28 g)11 kcal

1 serving (½ cup, ~120 g)48 kcal

100 kcal weighs250 g

Macro split per 100 g: 1.1 g protein · 9.3 g carbs · 0.1 g fat.

Nutrition facts

per 100 g

Calories40

Total Fat0.1 g

Saturated Fat0 g

Trans Fat0 g

Cholesterol0 mg

Sodium4 mg

Total Carbohydrate9.3 g

Dietary Fiber1.7 g

Total Sugars4.2 g

Added Sugars0 g

Protein1.1 g

Vitamins & minerals

Vitamin D0 mcg

Calcium23 mg

Iron0.2 mg

Potassium146 mg

Vitamin A0 mcg

Vitamin C7.4 mg

About this food

All amounts are shown per 100 g of onions, raw (SR Legacy), the standard basis USDA uses so foods can be compared like-for-like. Scale by the weight of your portion to get the nutrition for the amount you actually eat.

Data source: USDA FoodData Central #170000

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How to read onions, raw nutrition

Of the 40 calories in 100 g, roughly 88% come from carbohydrate, 2% from fat and 10% from protein (using the standard 4, 9 and 4 kcal per gram).

Against the FDA Daily Values, a 100 g portion supplies the most of vitamin c (8% DV), dietary fiber (6% DV) and total carbohydrate (3% DV).

Need this for a product label? Add onions, raw as an ingredient in the nutrition calculator and generate an FDA-style label with the label generator, or read the guide to reading a nutrition label.