Calories in Oysters, raw
Generic food Raw Fish and Seafood
Oysters, raw contains 51 kcal per 100 g. A typical serving of 1 cup (225 g) provides about 115 kcal.
Roughly 47% of its calories come from protein, with 31% from fat and 22% from carbohydrates (estimated with general energy factors).
That is less energy than the typical item in shellfish on FoodFactly, where the median is 143 kcal per 100 g across 41 foods.
100 g provides 365% of the Daily Value for Vitamin B12, 357% of the Daily Value for zinc and 318% of the Daily Value for copper.
These values are for the raw food. Cooking changes the water content and some nutrients, so cooked versions are listed separately below.
The data comes from the USDA Food and Nutrient Database for Dietary Studies (FNDDS), which calculates values from recipes of the ingredients.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 51 kcal | |
| Total fat C | 1.7 g | 2% |
| Saturated fat C | 0.47 g | 2% |
| Cholesterol C | 40 mg | 13% |
| Sodium C | 85 mg | 4% |
| Total carbohydrates C | 2.7 g | 1% |
| Dietary fiber C | 0 g | 0% |
| Total sugars C | 0.62 g | |
| Protein C | 5.7 g | 11% |
| Vitamin A C | 13 µg | 1% |
| Vitamin C C | 0 mg | 0% |
| Vitamin D C | 0 µg | 0% |
| Vitamin E C | 0.85 mg | 6% |
| Vitamin K C | 1 µg | 0.8% |
| Thiamin (B1) C | 0.018 mg | 2% |
| Riboflavin (B2) C | 0.09 mg | 7% |
| Niacin (B3) C | 0.93 mg | 6% |
| Vitamin B6 C | 0.031 mg | 2% |
| Folate (B9) C | 7 µg | 2% |
| Vitamin B12 C | 8.8 µg | 365% |
| Choline C | 65 mg | 12% |
| Calcium C | 59 mg | 5% |
| Iron C | 4.6 mg | 26% |
| Magnesium C | 18 mg | 4% |
| Phosphorus C | 97 mg | 8% |
| Potassium C | 156 mg | 3% |
| Zinc C | 39.3 mg | 357% |
| Copper C | 2.9 mg | 318% |
| Selenium C | 19.7 µg | 36% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 47%
- Carbohydrates 22%
- Fat 31%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein5.7 gin the lowest quarter of shellfish (median 15.5 g)
- Sugars0.62 gin the top quarter of shellfish (median 0.01 g)
- Fat1.7 gbelow the median for shellfish (median 5.7 g)
- Saturated fat0.47 gbelow the median for shellfish (median 0.92 g)
- Sodium85 mgin the lowest quarter of shellfish (median 363 mg)
- Protein per 100 kcal11.2 gprotein density, useful for comparing foods with different calorie levels
- Water89 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat C | 0.25 g |
|---|---|
| Polyunsaturated fat C | 0.53 g |
Individual fatty acids (19)
| EPA (omega-3, 20:5 n-3) C | 0.18 g |
|---|---|
| DHA (omega-3, 22:6 n-3) C | 0.14 g |
| Linoleic acid (omega-6, 18:2) C | 0.041 g |
| SFA 4:0 C | 0 g |
| SFA 6:0 C | 0 g |
| SFA 8:0 C | 0 g |
| SFA 10:0 C | 0 g |
| SFA 12:0 C | 0.001 g |
| SFA 14:0 C | 0.05 g |
| SFA 16:0 C | 0.32 g |
| SFA 18:0 C | 0.066 g |
| MUFA 18:1 C | 0.17 g |
| PUFA 18:3 C | 0.084 g |
| PUFA 20:4 C | 0.022 g |
| MUFA 16:1 C | 0.052 g |
| PUFA 18:4 C | 0.048 g |
| MUFA 20:1 C | 0.028 g |
| MUFA 22:1 C | 0.001 g |
| PUFA 22:5 n-3 (DPA) C | 0.01 g |
Carotenoids (6)
| Beta-carotene C | 0 µg |
|---|---|
| Lycopene C | 0 µg |
| Lutein + zeaxanthin C | 0 µg |
| Retinol C | 13 µg |
| Carotene, alpha C | 0 µg |
| Cryptoxanthin, beta C | 0 µg |
Other components (8)
| Water C | 89 g |
|---|---|
| Alcohol C | 0 g |
| Caffeine C | 0 mg |
| Theobromine C | 0 mg |
| Folic acid C | 0 µg |
| Folate, food C | 7 µg |
| Vitamin E, added C | 0 mg |
| Vitamin B-12, added C | 0 µg |
Other forms of Oysters
Raw, cooked, dried and processed versions are separate records with their own measured values.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Oysters, baked or broiled Cooked | 104 | 7.1 g | 3.4 g | 6.7 g |
| Oysters, steamed Cooked | 65 | 7.2 g | 3.4 g | 2.2 g |
| Oysters, fried Cooked | 203 | 6.3 g | 13.8 g | 13.5 g |
| Oysters, canned Canned | 74 | 7.7 g | 4.3 g | 2.7 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Foods with a similar nutritional profile
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Mollusks, oyster, eastern, wild, raw Raw | 51 | 5.7 g | 2.7 g | 1.7 g |
| Mollusks, oyster, eastern, farmed, raw Raw | 59 | 5.2 g | 5.5 g | 1.6 g |
| Mollusks, oyster, Pacific, raw Raw | 81 | 9.5 g | 5 g | 2.3 g |
| Mollusks, mussel, blue, raw Raw | 86 | 11.9 g | 3.7 g | 2.2 g |
| Mollusks, scallop, mixed species, raw Raw | 69 | 12.1 g | 3.2 g | 0.49 g |
| Fish, pollock, Alaska, raw (may contain additives to retain moisture) Raw | 56 | 12.2 g | 0 g | 0.41 g |
| Fish, pollock, raw Raw | 56 | 12.3 g | 0 g | 0.41 g |
| Fish, flatfish (flounder and sole species), raw Raw | 70 | 12.4 g | 0 g | 1.9 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in raw oysters?
100 g of raw oysters has 51 kcal. 1 cup (225 g): about 115 kcal. 1 oyster (15 g): about 8 kcal.
How much protein is in raw oysters?
Raw oysters contains 5.7 g of protein per 100 g (11% of the 50 g Daily Value), or 12.8 g in 1 cup (225 g). About 47% of its calories come from protein. Compared with other shellfish, that is in the lowest quarter (median 15.5 g).
How many carbs are in raw oysters?
Raw oysters has 2.7 g of total carbohydrates per 100 g, including 0 g of fiber and 0.62 g of sugars.
How much fat is in raw oysters?
Raw oysters contains 1.7 g of fat per 100 g, of which 0.47 g is saturated (2% of the Daily Value).
What vitamins and minerals does raw oysters contain?
Per 100 g, the most notable amounts relative to the Daily Value are Vitamin B12 (365% DV), zinc (357% DV), copper (318% DV), selenium (36% DV) and iron (26% DV). The full list is in the vitamins and minerals table above.
How much sodium is in raw oysters?
100 g contains 85 mg of sodium, 4% of the 2,300 mg Daily Value.
Does oysters have the same nutrition raw and cooked?
No. Per 100 g, oysters, raw has 51 kcal, while oysters, baked or broiled has 104 kcal. Cooking changes the water content, so always use the record that matches how you weigh the food.
Where does this nutrition data come from?
From USDA FoodData Central: FNDDS (Survey), record dated October 31, 2024. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- USDA FoodData Central: FNDDS (Survey), record 2706351. License: CC0 1.0 (U.S. public domain). Source record dated October 31, 2024. Imported November 6, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.