PortionCalc

100g Raw Oysters Cooked Weight

100 g of raw oysters becomes about 79 g of steamed oysters.

It loses about 21% of its weight, mostly water, while the calories stay the same. Both amounts have 51 calories. We estimate the yield from USDA calorie density of the raw and cooked forms, so real results depend on cooking time and method.

Raw Oysters Calorie Calculator

51cal
in 100g of raw oysters (100 g)
Protein5.7 g47% of calories
Fat1.7 g31% of calories
Carbs2.7 g22% of calories
3% of a 2,000 calorie day

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    Raw Oysters to Steamed Oysters weight chart

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

    Raw OystersSteamed OystersCalories
    50 g39 g26
    100 g79 g51
    150 g118 g77
    200 g157 g102
    250 g196 g128
    300 g236 g153
    400 g314 g204
    500 g393 g255
    750 g589 g383
    1000 g785 g510

    Raw Oysters calories by serving size

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

    ServingWeightCaloriesProteinFatCarbs
    1 raw oyster15 g80.9 g0.3 g0.4 g
    1 oz28 g141.6 g0.5 g0.8 g
    2 raw oysters30 g151.7 g0.5 g0.8 g
    50g50 g262.9 g0.9 g1.4 g
    100g100 g515.7 g1.7 g2.7 g
    1/2 cup113 g576.4 g1.9 g3.1 g
    4 oz113 g586.5 g1.9 g3.1 g
    200g200 g10211 g3.4 g5.4 g
    1 cup225 g11513 g3.8 g6.1 g

    Raw Oysters vs similar foods

    Calories per 100 g compared with other fish and seafood.

    Raw Oysters: common questions

    How much does 100g of raw oysters weigh cooked?

    About 79 g once cooked.

    How many calories are in 100g of raw oysters?

    100 g of raw oysters has 51 calories.

    More about raw oysters

    Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2706351. Original description: Oysters, raw. Portion weights are USDA household measures.