Cups to fluid ounces
1 US cup = 8 US fluid ounces. 1 US cup = 8 US fluid ounces.
1 US cup
8 US fluid ounces
Volume stays the same whichever ingredient fills the cup.
Cup scale: 1 US cup
Turning a weight into cups? Choose the ingredient in the grams-to-cups tool.
Cups to fluid ounces chart
| US cups | US fluid ounces |
|---|---|
| 1/4 | 2 |
| 1/3 | 2 2/3 (2.67) |
| 1/2 | 4 |
| 2/3 | 5 1/3 (5.33) |
| 3/4 | 6 |
| 1 | 8 |
| 1 1/2 | 12 |
| 2 | 16 |
| 3 | 24 |
| 4 | 32 |
Good to know
This is volume. A recipe that weighs its flour in ounces needs a scale or the ingredient’s cup weight instead.
The figures follow the US definitions in NIST Handbook 44: 3 teaspoons to a tablespoon, 16 tablespoons to a cup, 2 cups to a pint, 4 quarts to a gallon and 28.349523125 grams to an ounce by weight.
Updated · The Well Stocked Kitchen