Convert US Cup to US Fluid Ounce
1 us cup equals 8 us fluid ounces. Enter a value below to convert instantly.
Formula
Multiply the number of us cups by 8 to get us fluid ounces.
Step by step
- Start with 1 cup (US).
- Multiply by the conversion factor 8.
- 1 × 8 = 8 fl oz (US).
US Cup to US Fluid Ounce conversion table
| US Cups (cup (US)) | US Fluid Ounces (fl oz (US)) |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 5 | 40 |
| 10 | 80 |
| 20 | 160 |
| 50 | 400 |
| 100 | 800 |
| 500 | 4,000 |
| 1,000 | 8,000 |
About the us cup
The us cup (cup (US)) is a US unit of volume.
About the us fluid ounce
The us fluid ounce (fl oz (US)) is a US unit of volume.
Where this conversion is used
Converting us cups to us fluid ounces comes up when cooking recipes, fuel, beverages, and container capacity. US and Imperial liquid measures differ, so a US cup or gallon is not the same size as its UK counterpart.
Need the other direction? Convert us fluid ounce to us cup →
Related conversions
Frequently asked questions
How many us fluid ounces are in a us cup?
One us cup equals 8 us fluid ounces.
How do you convert us cups to us fluid ounces?
Multiply the number of us cups by 8 to get us fluid ounces.
What is 1 us fluid ounce in us cups?
One us fluid ounce equals 0.125 us cups.
When would I convert us cups to us fluid ounces?
This conversion is common when cooking recipes, fuel, beverages, and container capacity.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.