Calories in oyster
100g of oyster contain about 51 calories (kcal).
Calories per:
ounce
| one oyster
| cup sliced
For example, a medium size oyster (50 g) contain about 26 calories.
This is about 1% of the daily caloric intake for an average adult with medium weight and activity level (assuming a 2000 kcal daily intake).
Oyster key facts
The nutrients that matter most in meat and fish, per 100 g, compared with shrimp.
| Nutrient (per 100 g) | Oyster | Shrimp a common seafood |
| Protein | 5.7 g | 20 g |
| Fat | 1.7 g | 0.5 g |
| Cholesterol | 40 mg | 161 mg |
| Sodium | 85 mg | 119 mg |
- Oyster has 45% fewer calories than the typical seafood on this site (92 kcal per 100 g is the median of seafood).
Scroll down for details and nutrition tables.
Nutrition Facts
Oyster
Serving size:
medium size oyster (50 g)
change
medium size oyster (50 g) (50g)cup sliced (86g)
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Amount Per Serving:
Total Carbohydrates 1.36g
0%
* The % Daily Value (DV) shows how much a nutrient in one serving of food contributes to your total daily diet. A 2000-calorie daily intake is used as a general guideline for nutrition advice.
Source of calories in oyster
22% CARBS
47% PROTEIN
31% FAT
To visualize how much 26 kcal actually is, keep in mind that the calorie content of medium size oyster is similar to that of, for example:
Take a quick look at the tables below for detailed information about oyster nutrition.
Per 100 g, Oyster is an excellent source of iron (26% DV) and a good source of protein (11% DV).
Iron is part of hemoglobin, which carries oxygen in the blood. The FDA Daily Value is 18 mg.
How many calories are in oyster?
- Medium size oyster (50 g)26 kcal
- Oyster cup sliced (86g)44 kcal
- Ounce (oz) of oyster14 kcal