MenuTrim
Filet O Fish calories & nutrition
The McDonald's Filet O Fish has 380 calories, 16 g protein, 38 g carbs and 19 g fat (140 g).
Nutrition Facts
* Percent Daily Values are based on a 2,000 calorie diet (FDA). Values from the chain's published nutrition, 2026 menu.
Good for weight loss?
It can fit. 380 calories is 19% of a 2,000 calorie day; pair it with a light breakfast and dinner, and skip the soda and fries.
#23 of 36 McDonald's meals by protein per calorie.
Lighter swaps at McDonald's
Fewer calories, similar protein
 6 Chicken McNuggetsChicken and Sandwiches · 6 | 250 | 14 g | 15 g | 15 g | 500 mg |
|---|---|---|---|---|---|
 Egg McMuffinBreakfast · 138 g | 310 | 17 g | 30 g | 13 g | 770 mg |
 Spicy Chicken McNuggets® (6 Piece)Chicken and Sandwiches · 100 g | 290 | 15 g | 17 g | 18 g | 630 mg |
More protein for about the same calories
 Mccrispy Strips (3 Piece)Breakfast · 198 g | 400 | 31 g | 24 g | 20 g | 1,320 mg |
|---|---|---|---|---|---|
10 Chicken McNuggetsChicken and Sandwiches · 10 | 410 | 23 g | 26 g | 24 g | 850 mg |
 McDoubleBurgers · 150 g | 390 | 22 g | 32 g | 20 g | 920 mg |
Questions
How many calories are in the McDonald's Filet O Fish?
The McDonald's Filet O Fish has 380 calories (140 g), on the 2026 menu.
How much protein is in the Filet O Fish?
16 g of protein, or 4.2 g for every 100 calories. That ranks #23 of 36 McDonald's meals by protein per calorie.
How many carbs and how much fat are in the Filet O Fish?
38 g of carbs (1 g fiber, 4 g sugar) and 19 g of fat.
How much sodium is in the Filet O Fish?
580 mg, 25% of the 2,300 mg daily limit in the Dietary Guidelines for Americans.
Is the McDonald's Filet O Fish good for weight loss?
It can fit. 380 calories is 19% of a 2,000 calorie day; pair it with a light breakfast and dinner, and skip the soda and fries.
Eat at McDonald's. Still lose weight.
At McDonald's, the 6 Chicken McNuggets is 250 calories and the Big Breakfast is 1,060. MenuTrim builds your personal plan and shows which one fits today.
- Daily calories for your goalFrom your weight, goal weight and pace.
- A protein target and a per-meal limitSo one meal out doesn't take the whole day.
- The date you'll reach your goalAn estimate from your pace, updated as you log.
- McDonald's orders that fit, marked15,000+ dishes at 50 chains, all from 2026 menus.
Build your plan in the app.Nutrition from McDonald's's published information for the 2026 menu. Recipes change; check with the restaurant if it matters. MenuTrim is not affiliated with McDonald's.