Cooking times are guidance and vary by appliance. Always confirm doneness with a thermometer against USDA safe minimum internal temperatures.
Most recipes are still written for a conventional oven, which leaves you doing math in your head when you only have an air fryer. An air fryer conversion calculator is really just a shortcut for two adjustments: drop the temperature and cut the time. The table below does that work by food type so you don’t have to eyeball it.
Quick answer: As a general rule, set your air fryer about 25F lower than the oven temperature the recipe calls for, and check for doneness at roughly 70 to 80 percent of the original oven time. Use the table below for food-specific starting points, then confirm with a thermometer or visual check.
| Food Type | Oven Temp | Oven Time | Air Fryer Temp | Air Fryer Time | Notes |
|---|---|---|---|---|---|
| Frozen french fries | 425F | 20-25 min | 400F | 12-18 min | Shake basket halfway through |
| Chicken breast, boneless | 375F | 25-30 min | 360F | 18-22 min | USDA safe minimum internal temp is 165F |
| Chicken thighs, bone-in | 400F | 40-45 min | 380F | 25-35 min | USDA safe minimum internal temp is 165F |
| Chicken wings | 400F | 40-45 min | 380F | 20-25 min | Flip or shake at the midpoint |
| Fish fillets | 400F | 15-20 min | 380F | 10-12 min | USDA safe minimum internal temp is 145F |
| Pork chops, bone-in | 375F | 25-30 min | 375F | 12-16 min | USDA safe minimum internal temp is 145F, then rest 3 minutes |
| Vegetables, chopped and roasted | 425F | 20-25 min | 400F | 10-15 min | Toss halfway, don’t overcrowd the basket |
| Bacon | 400F | 15-20 min | 375F | 8-12 min | Rendered fat drips fast, check early |
| Frozen appetizers (mozzarella sticks, etc.) | 425F | 12-15 min | 390F | 6-10 min | Preheat the basket if your model supports it |
| Steak, about 1 inch thick | 400F | 15-20 min | 400F | 10-14 min | Confirm doneness with a thermometer, not the clock |
| Baked potatoes | 425F | 45-60 min | 400F | 35-45 min | Pierce the skin before cooking |
| Cookies, small drop batch | 350F | 10-12 min | 320F | 6-8 min | Use a liner rated for air fryer use |
How the oven-to-air-fryer conversion rule works
An air fryer is a small, fast convection oven. The fan sits closer to the food and the cooking chamber is smaller, so hot air moves around whatever you’re cooking more aggressively than it does in a full-size oven. That’s why the same dish generally needs a lower set temperature and less time to hit the same result.
The 25-degree, 20-percent shortcut
If you don’t have a food-specific line in the table above, a workable starting point is to lower the oven temperature by about 25F and plan for roughly 20 percent less time than the original recipe states. This is a starting point, not a guarantee, since basket size, wattage, and how full the basket is all push the real number around. Set a timer for the low end of your estimated range and check from there rather than committing to the full original time.
What changes the number
Every air fryer conversion calculator, static table or otherwise, is only giving you a starting range. These are the variables that move the real answer.
Size and thickness
A thin chicken cutlet and a thick bone-in thigh are not the same conversion even though they’re both “chicken.” Thicker cuts need more time for heat to reach the center, and no calculator can measure your exact piece for you. Weigh or measure by eye and adjust the range up for anything noticeably larger than average.
Bone-in versus boneless
Bone slows heat penetration, so bone-in cuts generally need more time at the same temperature than boneless cuts of similar size. The table above separates chicken breast from bone-in thigh for this reason.
Starting temperature
Food straight from the freezer or fridge takes longer than food that’s been sitting at room temperature for 20 to 30 minutes. If a recipe assumes room-temperature protein and you’re cooking straight from the fridge, lean toward the higher end of the time range.
Batch size and basket crowding
Air fryers work by circulating hot air around the food. A single layer with space between pieces cooks faster and more evenly than a packed basket. If you’re doubling a recipe, don’t assume double the food means the same time, plan for a longer cook or a second batch.
Appliance model
Basket-style, oven-style, and toaster-oven-style air fryers all behave differently, and wattage varies across brands and models. Two air fryers set to the same number on the dial can produce different results. Treat every number here as a starting point for your specific machine and adjust after the first attempt.
Common mistakes with air fryer conversion
- Keeping the oven time and only changing the temperature. Air fryers cook faster because of air circulation, not just heat. Cut the time too.
- Not preheating when the recipe assumes you did. Some models heat up almost instantly, others take a few minutes. Check your manual rather than guessing.
- Overfilling the basket. A crowded basket blocks airflow and gives you uneven, sometimes undercooked results in the center.
- Skipping the temperature check on meat and poultry. Visual doneness (browning, crisping) is not the same as internal temperature. An instant-read thermometer settles the question in a few seconds and avoids both undercooked food and overcooked, dried-out food.
- Assuming every air fryer is identical. A recipe tested in one brand’s air fryer may run 5 to 10 minutes off in yours. Adjust after the first try and note what worked for your specific unit.
If you do not already own one, an instant-read thermometer settles every doneness question a conversion raises.
FAQ
Is there a real formula for air fryer conversion, or just a rule of thumb?
There’s no single official formula, because appliance behavior varies too much by brand and model. The 25F-lower, 20-percent-shorter guideline is a widely used starting point, and the food-specific table above narrows it further. Always confirm with a thermometer for meat, poultry, and fish, and by eye for baked goods and vegetables.
Do I need to preheat an air fryer the way I preheat an oven?
Some models heat up in a minute or two and effectively don’t need a separate preheat step, others benefit from a short 3 to 5 minute preheat, especially for foods that need a crisp exterior fast, like frozen fries or breaded items. Check your specific model’s instructions rather than assuming.
Why is my air fryer food taking longer than the converted time?
The most common causes are a crowded basket blocking airflow, food going in cold from the freezer or fridge when the recipe assumed room temperature, or a lower-wattage unit than whatever the original conversion assumed. Give it extra time in small increments and check rather than restarting the timer from scratch.
What internal temperature is actually safe for chicken and pork in an air fryer?
Air fryer or not, the safety minimum doesn’t change. The USDA safe minimum internal temperature for poultry is 165F, and for pork it’s 145F followed by a 3-minute rest. Check the USDA food safety table if you’re cooking something not covered here, and use a thermometer rather than relying on time or color alone.
Practical recommendation
Start from the row in the table that matches your food, set the air fryer to the listed temperature, and check at the low end of the time range. If it needs more time, add it in small increments rather than guessing a big jump. For anything involving raw meat, poultry, or fish, a thermometer is the only way to know for sure it’s done, not the clock and not the color. If you’re new to air fryer cooking generally, our introductory post is a reasonable place to start before you dig into food-specific guides.