How to Convert Any Oven Recipe to Air Fryer: The Complete Conversion Guide
Published on 2026-06-06Sarah Mitchell
Have a favorite oven recipe? Learn exactly how to convert temperature and time for your air fryer. Includes the standard formula, food-specific adjustments, and common conversion mistakes.
The Standard Conversion Formula
The most universally accepted rule for converting oven recipes to air fryer settings is straightforward: reduce the temperature by 25 degrees Fahrenheit — about 14 degrees Celsius — and reduce the cooking time by 20 percent. So an oven recipe that calls for 400 degrees Fahrenheit for 30 minutes becomes 375 degrees for 24 minutes in the air fryer. This formula has been validated by recipe developers, air fryer manufacturers, and countless home cooks including myself. It works because air fryers are compact convection ovens with powerful fans. The smaller cooking chamber means heat reaches the food more directly. The faster-moving air strips away the cool boundary layer around the food more efficiently, accelerating heat transfer. Food simply cooks faster when hot air is moving past it at high speed rather than sitting in a relatively still oven atmosphere. But — and this is the part most quick guides leave out — the standard formula is a starting point, not a universal rule. Different foods need different adjustments. What works for roasted vegetables will over-dry a piece of fish and under-bake a muffin. Understanding the food-specific adjustments is what separates good air fryer results from mediocre ones.
Food-Specific Adjustments You Need to Know
Meat typically needs less time reduction than the standard formula suggests — about 15 percent rather than 20 percent. The reason: meat proteins need time to break down and become tender, and rushing the process with too-aggressive time reduction produces tough results. Temperature should still be reduced by 25 degrees. For example, an oven pork chop recipe at 400 degrees for 25 minutes converts to 375 degrees for about 21 minutes. Always verify meat doneness with a thermometer regardless of calculated time. Vegetables can handle more aggressive conversion than the standard — up to 25 percent time reduction. Vegetables are mostly water held together by cellulose, and the air fryer's intense dry heat drives off moisture and caramelizes sugars rapidly. An oven recipe of 425 degrees for 25 minutes for roasted broccoli converts to 400 degrees for about 19 minutes in the air fryer. Frozen foods follow the standard formula closely — 20 percent time reduction with 20 to 25 degrees lower temperature. The exception is breaded frozen foods like fish sticks or chicken tenders, which benefit from keeping the temperature closer to the oven temperature — reduce by only 15 degrees — to ensure the breading crisps properly. Baked goods are the trickiest conversion. They need more temperature reduction — 30 to 35 degrees lower — and less time reduction — about 15 percent. The intense heat of an air fryer can set the outside of a cookie or muffin before the inside has a chance to rise properly. Lower temperatures give the leavening agents time to work.
Recipe Types That Convert Well
Roasted foods convert to air fryer almost perfectly. Roasted vegetables, roasted potatoes, roasted chicken pieces — anything that relies on dry heat to brown and crisp the exterior while cooking the interior — work beautifully. The air fryer often produces better results than the oven for these foods because the more intense heat creates better browning. Sheet pan meals convert well if you adjust portions to fit the basket. A full sheet pan of chicken thighs and vegetables for four people will not fit in a standard air fryer basket. Halve the recipe or cook in two batches. Casseroles and baked pasta dishes convert adequately but not excellently. They cook through fine, but the top can over-brown before the center bubbles. Cover loosely with foil for the first half of cooking, then remove the foil to brown the top. Cookies and brownies convert surprisingly well in small batches. The air fryer makes four to six cookies at a time with crispy edges and chewy centers. Lower the temperature by 30 degrees and check a minute or two early. Quick breads like banana bread and cornbread need a lower temperature — 325 degrees — and a longer time than you might expect. The center needs time to set without the top burning.
Recipe Types That Do Not Convert Well
Some things simply do not work in an air fryer, and it is better to know this before you ruin a carefully prepared dish. Any recipe that relies on steam or covered moist cooking — braises, stews, pot roasts — needs a sealed environment that the air fryer cannot provide. The constant airflow actively removes moisture, which is the opposite of what a braise needs. Delicate custards and cheesecakes fail in the air fryer because the powerful fan causes the surface to ripple and crack. You need still, gentle heat for these desserts. Bread that needs to rise significantly — sandwich loaves, dinner rolls, artisan boules — needs more space than an air fryer basket provides and gentler heat than the air fryer delivers. A few small rolls can work, but a full loaf will not. Large roasts that barely fit in the basket will have uneven results — the parts of the roast closest to the heating element will overcook while the far side stays underdone. If the food barely fits, use the oven instead. And recipes that involve a lot of liquid — soups, curries, anything with more than a few tablespoons of liquid — should stay on the stovetop. The air fryer's fan will not boil liquid efficiently and the splashing can make a mess of the heating element.
Using the FryCalc Converter Tool
Our Oven to Air Fryer Converter on the homepage handles the math for you. Switch to the Convert Oven Recipe tab, enter your oven temperature and time, select the food type — this matters because different foods need different adjustments — and the tool gives you the converted air fryer settings along with food-specific tips. It is intentionally simple: we do not pretend to give you to-the-second precision because that would be dishonest. Every air fryer model is slightly different, every piece of food is a different size and starting temperature, and every kitchen environment varies. What the converter does is give you the right starting point based on the formula that has been validated across thousands of recipes, adjusted for your specific food type and air fryer model style. From there, trust your senses and your thermometer. Check the food at 80 percent of the calculated time. Note how your model performs and adjust the next time. The converter is a tool to get you in the right ballpark. Real cooking judgment — watching, smelling, testing — is what gets you to exactly right.
Frequently Asked Questions
Does the 25-degree / 20-percent rule always work?
It works as a starting point for most foods. Meat needs less time reduction — about 15 percent. Vegetables can handle more — up to 25 percent. Baked goods need more temperature reduction and less time reduction. Use our converter for food-specific adjustments.
Why does my converted recipe not come out the same as the oven version?
Air fryers remove more moisture than ovens due to the powerful fan. This can concentrate flavors but also dry out food if cooking time is not reduced enough. If food is too dry, reduce the time further next time. If the outside burns before the inside cooks, lower the temperature.
Can I convert slow cooker recipes to air fryer?
No. Slow cookers and air fryers are opposites — one uses low moist heat over many hours, the other uses high dry heat in minutes. There is no meaningful conversion between them.
Want to convert your own recipes? Use our free air fryer calculator.
Air Fryer Calculator