425°F Oven to Air Fryer = 400°F

The formula

Air fryer temperature = oven temperature − 25°F (or − 15°C), rounded to the nearest 5°.
Air fryer time = oven time × 0.8 (20% less). By food type: Most recipes × 0.8, Thin & crispy × 0.75, Vegetables × 0.75, Thick meat & roasts × 0.85, Cakes & bakes × 0.85, Frozen food × 0.8.
Check at = oven time × 0.75, rounded down.

Worked example: 400°F − 25°F = 375°F · 25 min × 0.8 = 20 min · check at 18 min

Results above 400°F (200°C) get a warning, because many basket air fryers stop there. Method version 1.1. Why these numbers: methodology.

425°F oven to air fryer time chart

Every row below is 425°F in the oven and 400°F in the air fryer. The time cut depends on the food: thin, crispy foods finish sooner, while thick meat and cakes need closer to their full time.

425°F oven times converted to air fryer times at 400°F
Oven at 425°F	Most recipes	Thin & crispy	Thick meat & bakes	Check at
10 min	8 min	8 min	9 min	7 min
15 min	12 min	11 min	13 min	11 min
20 min	16 min	15 min	17 min	15 min
25 min	20 min	19 min	21 min	18 min
30 min	24 min	23 min	26 min	22 min
40 min	32 min	30 min	34 min	30 min
45 min	36 min	34 min	38 min	33 min
60 min	48 min	45 min	51 min	45 min

425°F in Celsius, fan and gas mark

425°F expressed in other units and oven types
Conventional oven	425°F = 218.3°C (recipes use 220°C)
Fan / convection oven	400°F / 205°C fan
Gas oven	Gas mark 7
Air fryer	400°F / 205°C

The fan figure uses the same rule as the air fryer, because both cook with moving air. If a recipe already gives a fan or convection temperature, use it in the air fryer unchanged and only shorten the time by about 10%: see convection oven to air fryer.

Why 425°F becomes 400°F

An air fryer is a small convection oven with a powerful fan. Moving air carries heat into food faster than the still air of a regular oven, so the same browning happens at a lower setting:425°F − 25°F = 400°F. The result is rounded to the nearest 5 degrees to match air fryer dials.

Foods often cooked at 425°F

Filet mignon: oven 425°F for 14 min
Shrimp: oven 425°F for 9 min
Frozen egg rolls: oven 425°F for 15 min
Pork chops: oven 425°F for 15 min
Chicken cutlets: oven 425°F for 13 min
Chicken wings: oven 425°F for 35 min
Bagel Bites: oven 425°F for 13 min
Frozen hash brown patties: oven 425°F for 16 min

Other oven temperatures

300°F 325°F 350°F 375°F 400°F425°F450°F 150°C 160°C 170°C 180°C 190°C 200°C 220°C 230°C

All temperatures side by side: the air fryer conversion chart.

Accuracy and limitations

The arithmetic is exact: the same function produces the calculator result, every chart on this site and the printable chart. The cooking result is an estimate, because the formula cannot see your appliance or your food.

Appliances vary. Wattage, basket size and how close the element sits to the food change cooking speed. That’s why every result includes a “check at” time.
Load matters. A full or stacked basket cooks more slowly than a single layer.
Temperature limits. Many basket air fryers stop at 400°F (200°C). Converted settings above that are flagged.
Poor fits for any formula: wet batters, delicate cakes, low-and-slow recipes and roasts over an hour. Use a thermometer and expect to adjust.
Food safety comes from internal temperature, not time. Check meat, poultry, seafood and leftovers against the USDA safe minimum temperatures.

Found a number that looks wrong? Report it and it will be checked against the methodology. Fixes are listed in the change log.

Frequently asked questions

What is 425°F in an air fryer?

A recipe written for a 425°F conventional oven converts to 400°F (about 205°C) in the air fryer, with the cooking time multiplied by 0.8. If the recipe already gives an air fryer temperature, keep it as it is.

How long is 20 minutes at 425°F in an air fryer?

About 16 minutes at 400°F. Start checking at 15 minutes; thin, crispy foods may be done sooner and thick cuts may need the full time.

What is 425°F in Celsius?

425°F is exactly 218.3°C. Recipes usually treat it as 220°C. On a gas oven it is about gas mark 7.

What is 425°F in a fan oven?

Lower it by 25°F to about 400°F (205°C) fan. A fan or convection oven circulates air like an air fryer, so a fan temperature goes straight into the air fryer unchanged.

What is a 425°F air fryer recipe in the oven?

Going the other way, a 425°F air fryer recipe needs about 450°F in a conventional oven, with the time multiplied by 1.25.

Conversions are starting points; always check food with a thermometer.

425°F Oven to Air Fryer

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