How many ounces is 1 cup of flour?

Measuring cup filled with flour on a kitchen counter

1 cup of flour equals approximately 4.4 ounces (or 4.41 oz to be precise). This conversion is essential for air fryer baking, where precision ensures even cooking and perfect texture. Whether you're whipping up air fryer cookies or bread, knowing how many ounces are in 1 cup of flour helps avoid dense or crumbly results. For more air fryer-friendly recipes, check out our recipe collection.

Why accurate flour measurements matter in air fryer cooking

Air fryers circulate hot air rapidly, so ingredient ratios must be spot-on to prevent uneven baking. Too much flour can dry out your dish, while too little may leave it undercooked. For example, air fryer cakes or muffins rely on the right balance of flour to rise properly. If you're converting recipes from volume (cups) to weight (ounces), a kitchen scale is your best friend. Explore our air fryer conversion chart for other handy measurements.

British bakers often use metric weights, but many recipes still list flour in cups. A standard UK measuring cup holds 250ml, but flour’s weight varies slightly due to settling or scooping methods. For consistent results, spoon flour into the cup and level it off—don’t pack it down. Need inspiration? Try our air fryer cake recipes, where precise flour measurements make all the difference.

How to measure 1 cup of flour correctly

To get exactly 4.4 ounces of flour per cup, fluff the flour in its bag first to aerate it. Then, lightly spoon it into your measuring cup without tapping or shaking. Use a straight edge (like a knife) to level the top. This method prevents compacting, which could add up to 20% more flour by weight. For air fryer baking, even small discrepancies can affect texture—especially in delicate treats like cookies.

Common flour types and their ounce equivalents

Not all flours weigh the same per cup. All-purpose flour averages 4.4 ounces, but whole wheat flour is denser at around 4.8 ounces per cup. Cake flour, being lighter, clocks in at roughly 4 ounces. If you’re adapting recipes for your air fryer, always check the type of flour specified. Our conversion guide includes these variations to simplify your prep.

For gluten-free baking in the air fryer, almond flour weighs about 3.2 ounces per cup, while coconut flour is closer to 4.5 ounces. These differences highlight why weighing flour (rather than relying solely on cups) guarantees better results. Prepping a batch of desserts? Double-check your conversions to avoid surprises.

Tips for scaling recipes in your air fryer

When adjusting serving sizes, convert all dry ingredients—including flour—to ounces for accuracy. Air fryer baskets have limited space, so halving or doubling recipes requires careful math. Remember: 1 cup of flour = 4.4 ounces, whether you’re making one serving or six. For more pro tips, visit airfryerrecipe.co.uk.