Carbs in Oyster
How many carbs are in oyster?
Oyster has 27g net carbs per 100g — 27g total carbs minus 0g fiber — plus 1.2g protein, 0.5g fat, and 113 calories. At this carb count, oyster is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
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Oyster runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is oyster keto-friendly?
Oyster is generally not keto-friendly. It has 27g net carbs per 100g (27g total carbs − 0g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 27g | 27g | 1.2g | 113 |
| 1 oz (28 g) | 7.6g | 7.6g | 0.3g | 32 |
How many calories are in oyster?
Oyster has 113 calories per 100g. That's alongside 1.2g protein, 0.5g fat, and 27g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 113 |
| Total carbs | 27g |
| Net carbs | 27g |
| Fiber | 0g |
| Sugar | 21g |
| Sugar alcohols | 0g |
| Protein | 1.2g |
| Fat | 0.5g |
| Sodium | 4600mg |
| Potassium | 0mg |
Source: Open Food Facts (Lee Kum Kee). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in oyster?
- Oyster has 27g of total carbs and 27g of net carbs per 100 grams.
- How many net carbs are in oyster?
- Oyster has 27g of net carbs per 100 grams (total carbs 27g minus 0g fiber).
- Is oyster keto-friendly?
- Oyster is generally not keto-friendly. It has 27g net carbs per 100g (27g total carbs − 0g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in oyster?
- Oyster has 113 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.