Salmon Fillet
at 400°F
10 min – 15 min Salmon Fillets take about 10 min – 15 min in a 400°F oven. Done is 145°F on a food thermometer, plus a 3-minute rest — never the clock alone.
When is it actually done?
145°F internal The USDA FSIS safe minimum internal temperature for this cut is 145°F, followed by a rest of about 3 minutes. The clock estimates; the thermometer decides. Every time on this page is a planning range, not a doneness test.
Sizing: Times are for typical 1–1.5 inch thick, 6–8 oz portions or a side of salmon of the same thickness — thickness, not weight, drives fish timing.
Worth knowing before you start
- USDA's 145°F leaves salmon firm and fully opaque; many cooks pull at 125–130°F for a silkier medium — that is a personal-preference call below the federal guideline, made with fresh, well-handled fish.
- Fish flakes when pushed with a fork at done — the flake test and the thermometer usually agree within a minute.
- A whole side cooks in the same time as portions of the same thickness; it is one piece of the same geometry.
Answers people ask
How long does salmon fillets take at 400°F?
About 10 min – 15 min at 400°F (times are for typical 1–1.5 inch thick, 6–8 oz portions or a side of salmon of the same thickness — thickness, not weight, drives fish timing.). It is done at 145°F internal on a food thermometer, not by the clock.
What internal temperature is salmon fillets done at?
145°F, measured with a food thermometer in the thickest part, then rested about 3 minutes. That is the USDA FSIS safe minimum.
Is 400°F a good temperature for salmon fillets?
It is one of 3 temperatures this site publishes for this cut (375°F, 400°F, 425°F). It is the most commonly used.
More seafood timings
Where these numbers come from
Ranges are anchored to USDA FSIS published timetables where they exist, and derived from that anchor plus cross-checked published sources where they do not — widened to cover the disagreement between sources rather than split down the middle. The full reasoning is on the method page. If a figure here looks wrong, say so — corrections are prioritised.