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For 10 adults, buy 2.5 pounds of raw, boneless fish fillets for 4-ounce portions, or 3.75 pounds for 6-ounce portions. Those totals assume the portions are weighed before cooking; adjust for appetite, the rest of the meal, and whether the fish includes bones.
How much fish to buy for 10 people
| Raw portion per person | Raw fillets for 10 people | Best fit |
|---|---|---|
| 4 ounces | 2.5 pounds | A typical adult portion |
| 6 ounces | 3.75 pounds | A more generous serving |
The U.S. FDA describes 4 ounces of fish, measured before cooking, as a typical adult serving—approximately the size and thickness of an adult palm. The 6-ounce option is a practical larger-portion estimate, not an official serving standard. FDA guidance is available in its Questions & Answers from the FDA/EPA Advice about Eating Fish.
How the estimate is calculated
Multiply the raw portion size by 10, then convert ounces to pounds: 10 × 4 ounces = 40 ounces, or 2.5 pounds; 10 × 6 ounces = 60 ounces, or 3.75 pounds.
Raw purchase weight and cooked serving weight are different. The USDA Food Buying Guide lists fresh or frozen fish fillets as yielding 0.70 pound cooked for each pound purchased. At that yield, 2.5 pounds of raw fillets produces about 1.75 pounds cooked. The guide was last updated August 4, 2025; see the USDA Food Buying Guide fish and shellfish yield table.
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The guide also illustrates the conversion in the other direction: its example starts with a 6.375-pound cooked flounder target, divides by 0.70 to get 9.1 pounds to purchase, then rounds up to 10 pounds. That example is a yield calculation for its stated cooked target—not a recommendation to buy 10 pounds for a meal serving 10 people.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What can change the amount you need
Appetite and portion size
Use the 4-ounce calculation for a typical serving and the 6-ounce calculation if you expect larger appetites or want a more substantial fish portion. If you want leftovers, decide how many additional portions you want and multiply that number by your chosen raw portion size.
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Fillets versus whole or bone-in fish
The 70% cooked-yield figure applies to fresh or frozen fillets. Do not apply it automatically to whole or bone-in fish: the edible amount depends on the species, cut, and preparation. Ask the fishmonger for an edible-yield estimate for the specific fish you plan to buy.
The rest of the meal
If fish is served alongside another main dish or substantial sides, you may prefer the 4-ounce estimate. For a fish-centered meal, the larger portion or an additional portion may make more sense. These are meal-planning choices, not official nutrition standards.
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- Wholesome Ingredients: Enjoy a wholesome catch with peace of mind. Our fillets are prepared with no fillers, artificial colors, artificial flavors, or hydrogenated oils, staying true to our mission to deliver the highest quality, delicious seafood since 1849
- Wild-Caught Alaskan Pollock: Sourced through our Trusted Catch program for high-quality, responsibly sourced seafood. These fish fillets are rich in protein and Omega-3s, making them a delicious and nutritious option
- Quick & Easy Preparation: Skip the prep and the mess. These frozen fish fillets go from freezer to table in minutes. Simply bake in a conventional oven or use an air fryer for an extra crispy crunch—perfect for busy weeknights or weekend fish frys
- Trusted Seafood Experts: With over 175 years of experience, Gorton’s is dedicated to quality and ocean preservation. Proudly founded in Gloucester, MA, we continue to lead the industry in sourcing fresh-tasting, responsible seafood
Cook and serve fish safely
- Cook fish and shellfish to 145°F (62.8°C), checking with a food thermometer. See the USDA FSIS safe minimum internal temperature chart.
- Keep seafood refrigerated or appropriately hot or cold during service. FDA advises not leaving perishable seafood out for more than 2 hours, or more than 1 hour when the temperature is above 90°F. See the FDA safe food handling guidance.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
