Volume conversion
3 cups to fl oz
24 fl oz
3 US cups = 24 US fluid ounces. Exact factor: fl oz = cups × 8.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
fl oz = cups × 8
Worked example: 3 × 8 = 24 fl oz.
Values near 3 cups
| cups | fl oz |
|---|---|
| 2.25 | 18 |
| 2.5 | 20 |
| 2.75 | 22 |
| 3this page | 24 |
| 3.25 | 26 |
| 3.5 | 28 |
| 3.75 | 30 |
Frequently asked
How do you convert US cups to US fluid ounces?
Apply the formula fl oz = cups × 8. Enter any value in the live converter above and the result updates as you type.
What is 3 cups in fl oz?
3 cups equals 24 fl oz. The reference table below shows the values immediately around 3 cups.
Is this conversion exact?
Yes. Eight fluid ounces to the cup is exact. This measures volume, so it does not tell you the weight of what is in the cup.