Oven-to-air-fryer conversion calculator & cook time cheat sheet

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170°C Oven to Air Fryer

Oven says
170°C
340°F
Air fryer setting
155°C
from conventional
If fan oven recipe
165°C
smaller drop

Converted cooking times at 170°C

Oven time (170°C)Air fryer time (155°C)
10 min8 min
15 min12 min
20 min16 min
25 min20 min
30 min24 min
45 min36 min
60 min48 min

From a conventional oven recipe, drop about 15°C and cut the time about 20%. Fan (convection) recipes already assume circulating air, so the change is smaller: about −5°C and −10% time. Start checking a few minutes early — air fryer models vary.

Different temperature or time? The conversion calculator handles any recipe in °C or °F.

Other oven temperatures