Vegetables and Vegetable Products

Onion rings, breaded, par fried, frozen, prepared, heated in oven

100 grams of onion rings (breaded, par fried, frozen, prepared, heated in oven) has 288 calories, 4.5 g of protein, 14.4 g of total fat and 36.3 g of carbohydrate, including 2.4 g of fiber. These figures come from USDA FoodData Central (USDA Foundation Foods), in data USDA published Apr 1, 2019.

USDA Foundation FoodsFDC ID 324317

Amount

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Portion weights are from USDA. The page recalculates in your browser.

Nutrition data per 100 g

Calories288

Amount% Daily Value*

  • Total fat 14.4 g 18%
  • Saturated fat 2.2 g 11%
  • Trans fat 0.04 g
  • Monounsaturated fat 2.9 g
  • Polyunsaturated fat 7.6 g
  • Cholesterol —
  • Sodium 374 mg 16%
  • Total carbohydrate 36.3 g 13%
  • Dietary fiber 2.4 g 9%
  • Total sugars 4.5 g
  • Protein 4.5 g 9%

* % Daily Value uses the FDA Daily Values for adults and children 4 years and older (21 CFR 101.9). A dash means USDA does not report that value for this food.

Key numbers per 100 g

Calories

288

Protein

4.5g

Total fat

14.4g

Carbohydrate

36.3g

Protein supplies about 6% of the calories in this food, using 4 calories per gram of protein. It has 374 mg of sodium per 100 g (16% of the 2,300 mg Daily Value).

This page shows laboratory and reference data for a generic food, not a specific product label. Packaged foods can differ, so check the label on the package you buy. This is not medical or nutrition advice.

Vitamins and minerals

Amounts per 100 g. Only nutrients USDA reports for this food are listed.

NutrientAmount% Daily ValueDaily Value
Vitamin C1.6 mg2%90 mg
Vitamin E0.57 mg4%15 mg
Thiamin (B1)0.2 mg17%1.2 mg
Riboflavin (B2)0.12 mg9%1.3 mg
Niacin (B3)1.6 mg10%16 mg
Vitamin B60.13 mg8%1.7 mg
Folate31 mcg8%400 mcg
Choline10.7 mg2%550 mg
Calcium28 mg2%1,300 mg
Iron1.1 mg6%18 mg
Potassium135 mg3%4,700 mg
Magnesium20.4 mg5%420 mg
Phosphorus75 mg6%1,250 mg
Zinc0.59 mg5%11 mg
Copper0.08 mg9%0.9 mg
Selenium5.6 mcg10%55 mcg
Water43.4 g——

Not reported by USDA for this food: Cholesterol, Vitamin A (RAE), Vitamin D, Vitamin K, Vitamin B12, Caffeine.Percent Daily Values are reference numbers for comparing foods, not personal targets.

Portion sizes and weights

Household measures that USDA lists for onion rings (breaded, par fried, frozen, prepared, heated in oven), with their weight in grams and the calories in each.

PortionWeightCaloriesProtein
1 piece20.2 g580.91 g
Reference amount (RACC)85 g2453.8 g

RACC is the FDA Reference Amount Customarily Consumed, the amount used as the basis for serving sizes on labels.

About these numbers

USDA FoodData Central reports nutrients per 100 grams of the edible portion. Foundation Foods values come from chemical analysis of food samples, with details on how each value was derived. Values from Foundation Foods release of Apr 30, 2026. Rounded for display; per-portion figures are calculated from the 100 g values.

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Sources

  • U.S. Department of Agriculture, Agricultural Research Service. FoodData Central — USDA Foundation Foods, FDC ID 324317 (fdc.nal.usda.gov), published Apr 1, 2019.
  • FDA Daily Values for adults and children 4 years and older (21 CFR 101.9) (fda.gov, eCFR).
  • USDA and FDA do not endorse OpenPlate. Not medical or nutrition advice.