How many ounces in a cup?
1 cup = 8 fluid ounces
A US cup holds 8 fluid ounces (236.6 ml). That is volume. Weight in ounces depends on what is in the cup: a cup of water weighs about 8.4 oz, a cup of flour only 4.2 oz.
Cups to fluid ounces
| Cups | Fluid ounces | Tablespoons | Millilitres |
|---|---|---|---|
| 1/8 cup | 1 | 2 | 30 ml |
| 1/4 cup | 2 | 4 | 59 ml |
| 1/3 cup | 2 2/3 | 5 1/3 | 79 ml |
| 1/2 cup | 4 | 8 | 118 ml |
| 2/3 cup | 5 1/3 | 10 2/3 | 158 ml |
| 3/4 cup | 6 | 12 | 177 ml |
| 1 cup | 8 | 16 | 237 ml |
| 1 1/2 cups | 12 | 24 | 355 ml |
| 2 cups (1 pint) | 16 | 32 | 473 ml |
| 4 cups (1 quart) | 32 | 64 | 946 ml |
What 1 cup weighs
| Ingredient | Grams | Ounces (weight) |
|---|---|---|
| Water | 237 g | 8.4 oz |
| All-purpose flour | 120 g | 4.2 oz |
| Granulated sugar | 198 g | 7 oz |
| Butter | 227 g | 8 oz |
Questions
How many ounces are in a cup?
A US cup is 8 fluid ounces. Half a cup is 4 fluid ounces and a quarter cup is 2.
Are fluid ounces and ounces the same?
No. A fluid ounce measures volume and an ounce measures weight. They are close only for water and similar liquids. 8 fluid ounces of flour weighs about 4.2 ounces.
How many ounces are in 2 cups?
Two cups are 16 fluid ounces, which is 1 pint.