Carbs in Filet O Fish
How many carbs are in filet o fish?
Filet O Fish has 25g net carbs per 100g — 26.4g total carbs minus 1.4g fiber — plus 11.3g protein, 14.6g fat, and 282 calories. That makes filet o fish high in net carbs and about average for the typical fast-food item, which averages about 26.5g net carbs per 100g. At this carb count, filet o fish 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.
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Filet O Fish 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 filet o fish keto-friendly?
Filet O Fish is generally not keto-friendly. It has 25g net carbs per 100g (26.4g total carbs − 1.4g 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) | 25g | 26.4g | 11.3g | 282 |
| 1 oz (28 g) | 7g | 7.4g | 3.2g | 79 |
How many calories are in filet o fish?
Filet O Fish has 282 calories per 100g. That's alongside 11.3g protein, 14.6g fat, and 25g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 282 |
| Total carbs | 26.4g |
| Net carbs | 25g |
| Fiber | 1.4g |
| Sugar | 3.7g |
| Sugar alcohols | 0g |
| Protein | 11.3g |
| Fat | 14.6g |
| Sodium | 434mg |
| Potassium | 220mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in filet o fish?
- Filet O Fish has 26.4g of total carbs and 25g of net carbs per 100 grams.
- How many net carbs are in filet o fish?
- Filet O Fish has 25g of net carbs per 100 grams (total carbs 26.4g minus 1.4g fiber).
- Is filet o fish keto-friendly?
- Filet O Fish is generally not keto-friendly. It has 25g net carbs per 100g (26.4g total carbs − 1.4g 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 filet o fish?
- Filet O Fish has 282 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.