Calories in 1 Oz of Raw Oysters
1 oz of raw oysters (28 g) has 14 calories. That is 1% of a 2,000 calorie diet.
The calories come from 1.6 g of protein, 0.5 g of fat and 0.8 g of carbohydrates, a split of 47% protein, 31% fat and 22% carbs. For comparison, 2 oz of raw oysters has 29 calories. Burning 14 calories takes about 3 minutes of brisk walking or 1 minute of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
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Raw Oysters calories by serving size
Common amounts of raw oysters with calories and macros. Tap a row for its full nutrition page.
| Serving | Weight | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| 1 raw oyster | 15 g | 8 | 0.9 g | 0.3 g | 0.4 g |
| 1 oz | 28 g | 14 | 1.6 g | 0.5 g | 0.8 g |
| 2 raw oysters | 30 g | 15 | 1.7 g | 0.5 g | 0.8 g |
| 50g | 50 g | 26 | 2.9 g | 0.9 g | 1.4 g |
| 100g | 100 g | 51 | 5.7 g | 1.7 g | 2.7 g |
| 1/2 cup | 113 g | 57 | 6.4 g | 1.9 g | 3.1 g |
| 4 oz | 113 g | 58 | 6.5 g | 1.9 g | 3.1 g |
| 200g | 200 g | 102 | 11 g | 3.4 g | 5.4 g |
| 1 cup | 225 g | 115 | 13 g | 3.8 g | 6.1 g |
Raw Oysters vs similar foods
Calories per 100 g compared with other fish and seafood.
Raw Oysters: common questions
How many calories are in 1 oz of raw oysters?
1 oz of raw oysters weighs about 28 g and has 14 calories.
How much protein is in 1 oz of raw oysters?
1 oz of raw oysters has 1.6 g of protein, which is 3% of the 50 g Daily Value.
How many carbs are in 1 oz of raw oysters?
1 oz of raw oysters has 0.8 g of carbohydrates, including 0 g of fiber and 0.2 g of sugars.
How much raw oysters is 100 calories?
100 calories of raw oysters is 196 g, about 13 raw oysters.
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Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2706351. Original description: Oysters, raw. Portion weights are USDA household measures.