Volume converter
Fluid ounce to US cup Converter
Convert fl oz to cup or reverse with one click. Type a value below for an instant result.
Fluid ounce fl oz
US cup cup
fl oz → cup · runs in your browser, no server
How to convert fluid ounce to us cup
Fluid ounce (fl oz) and US cup (cup) both measure volume. Whether you are studying, traveling, cooking, or working on a project, converting between them should be fast and accurate.
Looking for the opposite direction? See our dedicated us cup to fluid ounce converter — same formula reversed, with content written for that direction.
The standard relationship used on this page means that 1 fluid ounce equals 0.125 cup. Enter any number in the calculator — use the swap button to reverse the direction without leaving the page.
Converting 12 fl oz gives 1.5 cup. This is a practical reference when switching between fluid ounce and us cup for cooking measurements, fuel economy context, and liquid packaging.
Need us cup to fluid ounce instead? Try our US cup to Fluid ounce converter. cup → floz
fl oz to cup conversion table
| fl oz | cup |
|---|---|
| 1 | 0.125 |
| 2 | 0.25 |
| 4 | 0.5 |
| 8 | 1 |
| 16 | 2 |
| 32 | 4 |
| 64 | 8 |
cup to fl oz conversion table
Or click the swap button in the converter to switch from cup to fl oz.
| cup | fl oz |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 4 | 32 |
| 8 | 64 |
| 16 | 128 |
| 32 | 256 |
| 64 | 512 |
Frequently asked questions
How many us cups are in 1 fluid ounce? +
One fluid ounce equals 0.125 cup. Use the converter above for any value — results are calculated locally with full precision.
How do I convert fl oz to cup? +
Use the formula: cup = fl oz × 0.125. Enter your value in the calculator and the result appears instantly. Click the swap button to convert cup back to fl oz.
How many fluid ounces are in 1 us cup? +
One us cup equals 8 fl oz. Swap the converter direction to work backwards from cup to fl oz.
What is 10 fl oz in cup? +
10 fl oz is 1.25 cup. See the conversion table on this page for more common values.
When would I convert fluid ounce to us cup? +
This conversion is useful for cooking measurements, fuel economy context, and liquid packaging. ConvertHub runs entirely in your browser — no data is uploaded to any server.
Is fluid ounce to us cup the same as us cup to fluid ounce? +
They are inverse operations. This page focuses on fl oz → cup with examples and tables for that direction. For cup → fl oz, use our separate us cup to fluid ounce converter page.