ACCURATE CONVERSION
US fluid ounces to US cups Converter
Convert US fluid ounces (fl oz) to US cups (cup) with a standards-based formula.
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How to convert US fluid ounces to US cups
Enter a value in the converter above. The result updates immediately using the relationship below.
FORMULA1 US fluid ounce = 0.125 US cups
US fluid ounces to US cups conversion table
| US fluid ounces (fl oz) | US cups (cup) |
|---|---|
| 1 | 0.125 |
| 5 | 0.625 |
| 10 | 1.25 |
| 20 | 2.5 |
| 50 | 6.25 |
| 100 | 12.5 |
Common values
For a quick estimate, multiply by the factor above. Use more decimal places when technical work requires additional precision.
Frequently asked questions
How many US cups are in one US fluid ounce?
One US fluid ounce equals 0.125 US cups.
How do you convert US fluid ounces to US cups?
Multiply the US fluid ounce value by 0.125.
Can I convert US cups back to US fluid ounces?
Yes. One US cup equals 8 US fluid ounces; you can also use the swap button.