PortionCalc

Calories in 3 Oz of Raw Red Onions

3 oz of raw red onions (85 g) has 37 calories. That is 2% of a 2,000 calorie diet.

The calories come from 0.8 g of protein, 0.1 g of fat and 8.4 g of carbohydrates, a split of 8% protein, 2% fat and 89% carbs. For comparison, 4 oz of raw red onions has 50 calories. Burning 37 calories takes about 7 minutes of brisk walking or 3 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.

Raw Red Onions Calorie Calculator

37cal
in 3 oz of raw red onions (85 g)
Protein0.8 g8% of calories
Fat0.1 g2% of calories
Carbs8.4 g89% of calories
2% of a 2,000 calorie day

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    Raw Red Onions calories by serving size

    Common amounts of raw red onions with calories and macros. Tap a row for its full nutrition page.

    ServingWeightCaloriesProteinFatCarbs
    50g50 g220.5 g0.1 g5 g
    3 oz85 g370.8 g0.1 g8.4 g
    100g100 g440.9 g0.1 g9.9 g
    4 oz113 g501.1 g0.1 g11 g
    1 onion edible197 g871.9 g0.2 g20 g
    200g200 g881.9 g0.2 g20 g
    2 onion edibles394 g1733.7 g0.4 g39 g

    Raw Red Onions vs similar foods

    Calories per 100 g compared with other vegetables.

    Raw Red Onions: common questions

    How many calories are in 3 oz of raw red onions?

    3 oz of raw red onions weighs about 85 g and has 37 calories.

    How much protein is in 3 oz of raw red onions?

    3 oz of raw red onions has 0.8 g of protein, which is 2% of the 50 g Daily Value.

    How many carbs are in 3 oz of raw red onions?

    3 oz of raw red onions has 8.4 g of carbohydrates, including 1.9 g of fiber and 4.9 g of sugars.

    How much raw red onions is 100 calories?

    100 calories of raw red onions is 227 g, about 1 onion edible of raw red onions.

    More about raw red onions

    Source: USDA FoodData Central, Foundation Foods. FDC ID 790577. Original description: Onions, red, raw. Portion weights are USDA household measures.