PortionCalc

Calories in 1 Slice of Cooked Onions

1 slice of cooked onions (15 g) has 7 calories. That is 0% of a 2,000 calorie diet.

The calories come from 0.2 g of protein, 0 g of fat and 1.6 g of carbohydrates, a split of 10% protein, 2% fat and 88% carbs. For comparison, 2 slices of cooked onions has 14 calories. Burning 7 calories takes about 1 minute of brisk walking or 1 minute of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.

Cooked Onions Calorie Calculator

7cal
in 1 slice of cooked onions (15 g)
Protein0.2 g10% of calories
Fat0 g2% of calories
Carbs1.6 g88% of calories
0% of a 2,000 calorie day

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    Cooked Onions calories by serving size

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

    ServingWeightCaloriesProteinFatCarbs
    1 slice15 g70.2 g0 g1.6 g
    2 slices30 g140.4 g0 g3.3 g
    50g50 g240.6 g0.1 g5.5 g
    100g100 g471.3 g0.1 g11 g
    1/2 cup105 g491.4 g0.1 g12 g
    4 oz113 g531.5 g0.1 g12 g
    1 cooked onion148 g701.9 g0.2 g16 g
    200g200 g942.6 g0.2 g22 g
    1 cup210 g992.7 g0.3 g23 g
    2 cooked onions296 g1393.8 g0.4 g32 g

    Cooked Onions vs similar foods

    Calories per 100 g compared with other vegetables.

    Cooked Onions: common questions

    How many calories are in 1 slice of cooked onions?

    1 slice of cooked onions weighs about 15 g and has 7 calories.

    How much protein is in 1 slice of cooked onions?

    1 slice of cooked onions has 0.2 g of protein, which is 0% of the 50 g Daily Value.

    How many carbs are in 1 slice of cooked onions?

    1 slice of cooked onions has 1.6 g of carbohydrates, including 0.3 g of fiber and 0.7 g of sugars.

    How much cooked onions is 100 calories?

    100 calories of cooked onions is 213 g, about 1 1/2 cooked onions.

    More about cooked onions

    Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID No added fat: 2709950. Original description: Onions, cooked, no added fat. Portion weights are USDA household measures.