1 Cup to Fluid ounces
1 cup equals 8 fluid ounces. This works for every ingredient, because both are volume measurements.
cups
8fl oz
Quick:
1 cup = 8 fl oz
1Cups
16Tablespoons
48Teaspoons
237Milliliters
How many fluid ounces in 1 cup?
One US cup is 16 tablespoons, 48 teaspoons, 8 fluid ounces or about 236.6 ml. So 1 cup is 8 fluid ounces, which you can also measure as 1 cup.
Cups to ounces chart
| Cup amount | Fluid ounces |
|---|---|
| ¼ cup | 2 fl oz |
| ⅓ cup | 2.67 fl oz |
| ½ cup | 4 fl oz |
| ⅔ cup | 5.33 fl oz |
| ¾ cup | 6 fl oz |
| 1 cup | 8 fl oz |
| 2 cups | 16 fl oz |
How to measure 1 cup without a measuring cup
Use 16 level tablespoons (1 tablespoon = 3 teaspoons). For liquids, a measuring jug marked in ml works too: fill it to about 237 ml.
Frequently asked questions
How many fluid ounces are in 1 cup?
There are 8 fluid ounces in 1 cup.
How many tablespoons is 1 cup?
1 cup is 16 tablespoons.
How many ml is 1 cup?
1 cup is about 237 ml.
Is a US cup the same as a metric cup?
No. A US cup is 236.6 ml and a metric cup is 250 ml, about one tablespoon more.
Related conversions
Last updated: November 2026. Values use the US cup (236.6 ml) and the spoon-and-level method for dry ingredients.