Convert US Cups to US Fluid Ounces
1 US cup = 8 US fluid ounces. Type any value below to convert in either direction — the calculation happens in your browser.
US Cups to US Fluid Ounces formula
Multiply the number of US cups by 8 to get US fluid ounces.
US fluid ounces = US cups × 8To go the other way: divide the number of US fluid ounces by 8, or multiply by 0.125.
US cups = US fluid ounces ÷ 8US 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 |
| 15 cup | 120 fl oz |
| 20 cup | 160 fl oz |
| 25 cup | 200 fl oz |
| 30 cup | 240 fl oz |
| 40 cup | 320 fl oz |
| 50 cup | 400 fl oz |
| 75 cup | 600 fl oz |
| 100 cup | 800 fl oz |
| 250 cup | 2,000 fl oz |
| 500 cup | 4,000 fl oz |
| 1,000 cup | 8,000 fl oz |
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 |
About the US cup
A US customary cup is 8 fluid ounces, about 237 millilitres — the standard unit in American recipes.
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.
Frequently asked questions
How many US fluid ounces are in a US cup?
There are 8 US fluid ounces in one US cup.
How many US cups are in a US fluid ounce?
There are 0.125 US cups in one US fluid ounce.
Is this conversion exact?
The ratio between the US cup and the US fluid ounce is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 US cups in US fluid ounces?
10 US cups equals 80 US fluid ounces.
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