How to convert US fluid ounces to US cups
To convert US fluid ounces (fl oz) to US cups (cup), multiply the value in US fluid ounces by 0.125.
cup = fl oz × 0.125
Example: 10 fl oz = 1.25 cup.
You can also type 10 fl oz to cup into the smart calculator, or mix units: 1 fl oz + 1 cup.
US Fluid Ounces to US Cups conversion table
| US Fluid Ounces | US Cups |
|---|---|
| 0.01 fl oz | 0.00125 cup |
| 0.1 fl oz | 0.0125 cup |
| 0.25 fl oz | 0.03125 cup |
| 0.5 fl oz | 0.0625 cup |
| 1 fl oz | 0.125 cup |
| 2 fl oz | 0.25 cup |
| 3 fl oz | 0.375 cup |
| 4 fl oz | 0.5 cup |
| 5 fl oz | 0.625 cup |
| 6 fl oz | 0.75 cup |
| 7 fl oz | 0.875 cup |
| 8 fl oz | 1 cup |
| 9 fl oz | 1.125 cup |
| 10 fl oz | 1.25 cup |
| 12 fl oz | 1.5 cup |
| 15 fl oz | 1.875 cup |
| 20 fl oz | 2.5 cup |
| 25 fl oz | 3.125 cup |
| 30 fl oz | 3.75 cup |
| 40 fl oz | 5 cup |
| 50 fl oz | 6.25 cup |
| 60 fl oz | 7.5 cup |
| 75 fl oz | 9.375 cup |
| 100 fl oz | 12.5 cup |
| 250 fl oz | 31.25 cup |
| 500 fl oz | 62.5 cup |
| 1,000 fl oz | 125 cup |
Converting US cups back to US fluid ounces
1 cup = 8 fl oz. See the US Cups to US Fluid Ounces converter, or press the swap button above.
About the units
US fluid ounce (fl oz)
One 128th of a US gallon, about 29.57 milliliters.
US cup (cup)
A US customary cup: 8 US fluid ounces, about 236.6 milliliters.
Volume is the space a substance occupies. The SI unit is the cubic meter, but the liter (one cubic decimeter) is used far more often. US and imperial units share names but not sizes: a US gallon is 3.785 liters while an imperial gallon is 4.546 liters.
Questions and answers
How many US cups are in a US fluid ounce?
One US fluid ounce (fl oz) equals 0.125 US cups (cup).
How do I convert US fluid ounces to US cups?
To convert US fluid ounces to US cups, multiply the value in US fluid ounces by 0.125. The formula is cup = fl oz × 0.125. For example, 10 fl oz = 1.25 cup.
What is 10 fl oz in cup?
10 US fluid ounces is 1.25 US cups.
Which is bigger, a US fluid ounce or a US cup?
A US cup is bigger: 1 cup = 8 fl oz.
Is a US gallon the same as a UK gallon?
No. A US gallon is 3.785 liters and an imperial (UK) gallon is 4.546 liters, about 20% more. US and UK pints and fluid ounces differ too.
Does this fl oz to cup converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.