Convert US Fluid Ounces to US Cups
1 US fluid ounce = 0.125 US cups. Type any value below to convert in either direction — the calculation happens in your browser.
US Fluid Ounces to US Cups formula
Multiply the number of US fluid ounces by 0.125 to get US cups.
US cups = US fluid ounces × 0.125
To go the other way: divide the number of US cups by 0.125, or multiply by 8.
US fluid ounces = US cups ÷ 0.125
US Fluid Ounces to US Cups conversion table
| US Fluid Ounces | US Cups |
|---|---|
| 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 |
| 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 |
| 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 |
US Cups to US Fluid Ounces conversion table
| US Cups | US Fluid Ounces |
|---|---|
| 1 cup | 8 fl oz |
| 2 cup | 16 fl oz |
| 3 cup | 24 fl oz |
| 4 cup | 32 fl oz |
| 5 cup | 40 fl oz |
| 6 cup | 48 fl oz |
| 7 cup | 56 fl oz |
| 8 cup | 64 fl oz |
| 9 cup | 72 fl oz |
| 10 cup | 80 fl oz |
About the US fluid ounce
A US fluid ounce is about 29.57 millilitres; the imperial fluid ounce is slightly smaller at 28.41 millilitres.
About the US cup
A US customary cup is 8 fluid ounces, about 237 millilitres — the standard unit in American recipes.
Frequently asked questions
How many US cups are in a US fluid ounce?
There are 0.125 US cups in one US fluid ounce.
How many US fluid ounces are in a US cup?
There are 8 US fluid ounces in one US cup.
Is this conversion exact?
The ratio between the US fluid ounce and the US cup is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 US fluid ounces in US cups?
10 US fluid ounces equals 1.25 US cups.
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