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Cooking conversion
Ounces of All-Purpose Flour to Cups
How many cups of all-purpose flour are in a given weight? Type a number of ounces below to see the volume. Math uses all-purpose flour's density of 0.508 g/mL.
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100 oz of all-purpose flour = 23.5879 cup
Ounces of All-Purpose Flour to Cups Conversion Table
Common values for all-purpose flour:
| Ounces of all-purpose flour | Cups |
|---|---|
| 10 oz | 2.3588 cup |
| 25 oz | 5.897 cup |
| 50 oz | 11.794 cup |
| 100 oz | 23.5879 cup |
| 150 oz | 35.3819 cup |
| 200 oz | 47.1758 cup |
| 250 oz | 58.9698 cup |
| 500 oz | 117.94 cup |
| 1000 oz | 235.88 cup |
How this works
All-purpose flour has a density of about 0.508 g/mL (king arthur baking: 1 cup = 120g). That means 1 mL of all-purpose flour weighs 0.508 grams.
Cups = ounces × 0.2359
Note: Spooned and leveled, not packed. Sifted flour is closer to 0.42 g/mL.
Why a cup of all-purpose flour doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of all-purpose flour can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.