⅓ cup of all-purpose flour in ounces
⅓ cup of all-purpose flour ≈ 1.47 oz = 42 g · 79 mL by volume · at 125 g per cup, spooned and leveled. Use the converter below for any amount or ingredient.
Result: …
Formula
grams = cups × 125 (all-purpose flour) ; ounces = grams ÷ 28.3495
Why weight beats volume for all-purpose flour
A cup is a volume; a recipe cares about mass. All-purpose flour runs about 125 g per US cup measured spoon-and-level, but packing, humidity, and grind can move that by ±10%. Weighing removes the guesswork, which is exactly why serious baking recipes list grams.
Spoon into the cup and level. Scooping straight from the bag compacts flour and can add 15–20%.
All-purpose flour: cups to ounces table
| Amount | Grams | Ounces |
|---|---|---|
| ¼ cup | 31 g | 1.1 oz |
| ⅓ cup (this page) | 42 g | 1.47 oz |
| ½ cup | 63 g | 2.2 oz |
| ⅔ cup | 83 g | 2.94 oz |
| ¾ cup | 94 g | 3.31 oz |
| 1 cup | 125 g | 4.41 oz |
| 1½ cups | 188 g | 6.61 oz |
| 2 cups | 250 g | 8.82 oz |
| 3 cups | 375 g | 13.23 oz |
Frequently asked questions
How many ounces is ⅓ cup of all-purpose flour?
⅓ cup of all-purpose flour is about 1.47 oz (42 g), based on 125 g per US cup, measured spoon-and-level.
Why does the ingredient change the answer?
Cups measure volume, grams measure weight. Dense ingredients pack more weight into the same cup: a cup of honey is 340 g while a cup of rolled oats is only 90 g. That is why generic cup-to-gram converters get recipes wrong.
Does it matter how I fill the cup?
Spoon into the cup and level. Scooping straight from the bag compacts flour and can add 15–20%.
Is this a US cup or a metric cup?
A US customary cup (236.6 mL). A metric cup is 250 mL, about 5.7% bigger, and old UK recipes use a 284 mL imperial cup. ⅓ cup here is 79 mL by volume.