Volume · fl oz → cup
US fluid ounces to US cups
Enter any value below to convert us fluid ounces to us cups instantly.
To
1 fl oz = 0.125 cup
Conversion formula
How to convert fl oz to cup
cup = fl oz × 0.125
Multiply the us fluid ounces value by 0.125 to get us cups. The converter keeps extra precision internally and rounds only the displayed answer.
Converting us fluid ounces to us cups helps with cooking, fuel, containers, aquariums and liquid product specifications.
Worked example
Convert 10 fl oz10 fl oz = 1.25 cup
Calculated with the published formula. No estimated exchange rates or hidden rounding.
Common us fluid ounces to us cups values
| US fluid ounces (fl oz) | US cups (cup) |
|---|---|
| 1 fl oz | 0.125 cup |
| 5 fl oz | 0.625 cup |
| 10 fl oz | 1.25 cup |
| 25 fl oz | 3.125 cup |
| 50 fl oz | 6.25 cup |
| 100 fl oz | 12.5 cup |
Quick answer
How many us cups are in one us fluid ounce?
One us fluid ounce equals 0.125 cup.