Medium Yellow Onions

Packaged product Vegetables N/A

Medium Yellow Onions contains 27 kcal per 100 g. A serving, 160 g (160 g) provides about 43 kcal.

Roughly 88% of its calories come from carbohydrates, with 10% from protein and 2% from fat (estimated with general energy factors).

That is less energy than the typical item in vegetables on FoodFactly, where the median is 42 kcal per 100 g across 28 products.

The values are as declared on the product label and entered by Open Food Facts contributors.

27kcal per 100 g
0.69 gprotein
5.8 gcarbohydrates
0.063 gfat
43kcal in serving, 160 g (160 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 26.7 kcal
Total fat L 0.063 g 0.1%
Saturated fat L 0.026 g 0.1%
Sodium L 2.5 mg 0.1%
Total carbohydrates L 5.8 g 2%
Dietary fiber L 1.1 g 4%
Total sugars L 2.7 g
Protein L 0.69 g 1%
Vitamin A L 0 µg0%
Vitamin C L 4.6 mg5%
Vitamin D L 0 µg0%
Vitamin E L 0.013 mg0.1%
Vitamin K L 0.25 µg0.2%
Thiamin (B1) L 0.029 mg2%
Riboflavin (B2) L 0.017 mg1%
Niacin (B3) L 0.073 mg0.5%
Pantothenic acid (B5) L 0.077 mg2%
Vitamin B6 L 0.075 mg4%
Folate (B9) L 11.9 µg3%
Vitamin B12 L 0 µg0%
Calcium L 14.4 mg1%
Iron L 0.13 mg0.7%
Magnesium L 6.3 mg1%
Phosphorus L 18.1 mg1%
Potassium L 91.2 mg2%
Zinc L 0.11 mg1%
Copper L 0.024 mg3%
Manganese L 0.081 mg4%
Selenium L 0.31 µg0.6%
Fluoride L 0.69 µg

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 10%Carbohydrates: 88%Fat: 2%27kcal / 100 g
  • Protein 10%
  • Carbohydrates 88%
  • Fat 2%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Vitamin C5%Vitamin B64%Manganese4%Folate (B9)3%Copper3%Thiamin (B1)2%Potassium2%Pantothenic acid (B5)2%Magnesium1%Phosphorus1%

Nutritional insights

  • Protein0.69 gbelow the median for vegetables (median 1.5 g)
  • Fiber1.1 gin the lowest quarter of vegetables (median 2 g)
  • Fat0.063 gin the lowest quarter of vegetables (median 0.27 g)
  • Saturated fat0.026 gbelow the median for vegetables (median 0.039 g)
  • Sodium2.5 mgin the lowest quarter of vegetables (median 15.8 mg)
  • Protein per 100 kcal2.6 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Fats and cholesterol (3)
Monounsaturated fat L0.008 g
Polyunsaturated fat L0.011 g
Omega-3 fatty acids L0 g
Sugars and starch (1)
Starch L0 g
Other components (2)
Alcohol L0 g
Caffeine L0 mg

Product details

Brand
N/A
Barcode
00040938
Quantity
1 cup, chopped
Label serving
160 g
Category
Produce
Nutri-Score
A as computed by Open Food Facts

Ingredients

Ingredients not reported.

Similar products

FoodCaloriesProteinCarbsFat
White Onions N/A 27 0.69 g 5.8 g 0.063 g
Jumbo Red Onions N/A 27 0.69 g 5.8 g 0.063 g
Boston Lettuce N/A 30 2.5 g 4.1 g 0.4 g
Green Acorn Squash N/A 33 0.57 g 7.4 g 0.071 g
Green Asparagus N/A 19 1.6 g 2.9 g 0.09 g
Fresh Red Hothouse Bell Pepper N/A 19 0.6 g 3.7 g 0.18 g
Spaghetti Squash N/A 35 0.63 g 6.8 g 0.56 g
Fresh Roma Tomato Fresh Tomatoes 17 0.72 g 3.2 g 0.16 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in Medium Yellow Onions?

100 g of Medium Yellow Onions has 27 kcal. Serving, 160 g (160 g): about 43 kcal.

How much protein is in Medium Yellow Onions?

Medium Yellow Onions contains 0.69 g of protein per 100 g (1% of the 50 g Daily Value), or 1.1 g in serving, 160 g (160 g). About 10% of its calories come from protein. Compared with other vegetables, that is below the median (median 1.5 g).

How many carbs are in Medium Yellow Onions?

Medium Yellow Onions has 5.8 g of total carbohydrates per 100 g, including 1.1 g of fiber and 2.7 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Medium Yellow Onions?

Medium Yellow Onions contains 0.063 g of fat per 100 g, of which 0.026 g is saturated (0.1% of the Daily Value).

How much sodium is in Medium Yellow Onions?

100 g contains 2.5 mg of sodium, 0.1% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated February 21, 2025. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 00040938. License: ODbL 1.0 (Open Food Facts). Source record dated February 21, 2025. Imported November 6, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.