PortionCalc

100g Cooked Onions to Raw Weight

100 g of cooked onions starts as about 124 g of raw onions.

Food labels usually list raw values, so converting back helps when you weigh food after cooking. Both amounts have 47 calories. The ratio comes from USDA calorie density of the raw and cooked forms.

Cooked Onions Calorie Calculator

47cal
in 100g of cooked onions (100 g)
Protein1.3 g10% of calories
Fat0.1 g2% of calories
Carbs11 g88% of calories
2% of a 2,000 calorie day

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    Cooked Onions to Raw Onions weight chart

    Calories stay the same when water cooks out or soaks in, so the same calories sit in a different weight. See Raw Onions nutrition.

    Cooked OnionsRaw OnionsCalories
    50 g62 g24
    100 g124 g47
    150 g185 g71
    200 g247 g94
    250 g309 g118
    300 g371 g141
    400 g494 g188
    500 g618 g235
    750 g927 g353
    1000 g1236 g470

    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.

    Canned Peas and Onions51
    Cooked Pearl Onions50
    Cooked Onions47
    Boiled Onions44
    Raw Red Onions44
    Raw Onions38
    Raw Yellow Onions38

    Cooked Onions: common questions

    How much raw onions makes 100g cooked?

    About 124 g raw.

    How many calories are in 100g of cooked onions?

    100 g of cooked onions has 47 calories.

    More about cooked onions

    Calories by amount

    100g200g4 oz1 cooked onion2 onions3 onions1 slice2 slices3 slices1/4 cup

    Amount for a target

    100 calories200 calories300 calories500 calories

    Weights and conversions

    1/2 cup in grams1 cup in gramsWeight of one cooked onionWeight of one slice200 g cooked to raw300 g cooked to raw500 g cooked to raw

    Compare with

    vs Leekvs Cooked Green Onions

    Related foods

    All cooked onions nutritionRaw OnionsBoiled OnionsRaw Red OnionsRaw OnionsCooked Pearl 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.