Fast Foods

How many carbs are in mcdonald's, filet-o-fish?

1 sandwich of mcdonald's, filet-o-fish contains about 35.4g of carbohydrate, 33.5g net carbs after subtracting 1.9g of fiber, 15.1g of protein, and 378 calories.

1 sandwich contains 35.4g carbs 33.5g net carbs · 1.9g fiber · 15.1g protein · 378 cal

Carbs by portion size

PortionTotal carbsFiberNet carbs
1 sandwich (134g)35.4g1.9g33.5g
100 grams (100g)26.4g1.4g25g

Net carbs in mcdonald's, filet-o-fish

1 sandwich of mcdonald's, filet-o-fish contains 33.5g of net carbs — total carbs (35.4g) minus dietary fiber (1.9g). Net carbs are the carbs your body actually digests and that raise blood glucose. See our guide to net carbs for how this calculation works and when to use it.

Full nutrition for mcdonald's, filet-o-fish (per 100g)

Reference values from USDA FoodData Central (sr legacy dataset, fdcId 170319). Values are per 100 grams.

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Frequently asked questions

How many carbs are in mcdonald's, filet-o-fish?

1 sandwich of mcdonald's, filet-o-fish contains about 35.4g of total carbohydrate. After subtracting 1.9g of fiber, the net carbs are about 33.5g.

How many net carbs are in mcdonald's, filet-o-fish?

Net carbs in 1 sandwich of mcdonald's, filet-o-fish are about 33.5g — that is total carbs (35.4g) minus dietary fiber (1.9g). See our net carbs explainer for the full calculation.

Is mcdonald's, filet-o-fish good for diabetics?

McDONALD'S, FILET-O-FISH contains carbohydrates that will raise blood glucose. Whether it fits your meal plan depends on the portion and your overall daily target. Most U.S. diabetes care teams use total carbs (not net) for insulin dosing — see our diabetes carb-counting guide.

Is mcdonald's, filet-o-fish keto-friendly?

Whether mcdonald's, filet-o-fish fits a keto plan depends on your daily net-carb budget (typically under 20–30g per day). One serving (1 sandwich) provides about 33.5g of net carbs.

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