Carbs in Oyster Crackers
How many carbs are in oyster crackers?
Oyster Crackers has 71.2g net carbs per 100g — 74g total carbs minus 2.8g fiber — plus 9.5g protein, 8.6g fat, and 418 calories. That makes oyster crackers high in net carbs and about average for the typical snacks and sweet, which averages about 55.2g net carbs per 100g. At this carb count, oyster crackers is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Values per 100 g.
Is oyster crackers keto-friendly?
Oyster Crackers is generally not keto-friendly. It has 71.2g net carbs per 100g (74g total carbs − 2.8g 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) | 71.2g | 74g | 9.5g | 418 |
| 1 oz (28 g) | 19.9g | 20.7g | 2.7g | 117 |
How many calories are in oyster crackers?
Oyster Crackers has 418 calories per 100g. That's alongside 9.5g protein, 8.6g fat, and 71.2g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 418 |
| Total carbs | 74g |
| Net carbs | 71.2g |
| Fiber | 2.8g |
| Sugar | 1.3g |
| Sugar alcohols | 0g |
| Protein | 9.5g |
| Fat | 8.6g |
| Sodium | 941mg |
| Potassium | 152mg |
Source: USDA FoodData Central (Survey (FNDDS)). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in oyster crackers?
- Oyster Crackers has 74g of total carbs and 71.2g of net carbs per 100 grams.
- How many net carbs are in oyster crackers?
- Oyster Crackers has 71.2g of net carbs per 100 grams (total carbs 74g minus 2.8g fiber).
- Is oyster crackers keto-friendly?
- Oyster Crackers is generally not keto-friendly. It has 71.2g net carbs per 100g (74g total carbs − 2.8g 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 crackers?
- Oyster Crackers has 418 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.







