How many calories in oysters?
Per 100 g, oysters provides about 81 kcal. But what matters is your real portion — and its size varies. Here are the reference values, common portions, and an honest range.
6 oysters (≈ 90 g) ≈ 73 kcal, i.e. a range of 65–80 kcal depending on size. A single to-the-gram number would be misleading.
Nutrition facts per 100 g
| Nutrient | per 100 g |
|---|---|
| Calories | 81 kcal |
| Protein | 9 g |
| Carbs | 4.7 g |
| Fat | 2.3 g |
Calories per portion
| Portion | Weight | Calories |
|---|---|---|
| 6 oysters | 90 g | 73 kcal |
Indicative reference values (e.g. ANSES Ciqual / USDA FoodData Central); real products vary.
Estimate oysters from a photo, without weighing
With Volumeal, photograph your plate: oysters is identified and its portion estimated, with a confidence range rather than a fake exact number. You can correct the portion in one tap to tighten the estimate.
Track your calories effortlessly with Volumeal
To set your target, use the calorie calculator. For the full method, see how to count calories from a photo.
See also
Frequently asked questions
How many calories in 6 oysters?
About 73 kcal (6 oysters, ≈ 90 g), with a range of 65 to 80 kcal depending on real size.
What is the value per 100 g of oysters?
About 81 kcal per 100 g, with 9 g protein, 4.7 g carbs and 2.3 g fat (reference values).
Do I need to weigh this food?
No: photograph your meal with Volumeal and the portion is estimated for you, with a confidence range.