Fluid Ounces to Cups
Convert fluid ounces (fl oz) to cups (cup). Type in either box; the other updates as you go.
How to convert fluid ounces to cups
To convert fluid ounces to cups, divide the number of fluid ounces by 8.
Example
Convert 10 fluid ounces to cups:
Fluid Ounce to cup conversion chart
| Fluid Ounces (fl oz) | Cups (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 |
| 70 fl oz | 8.75 cup |
| 75 fl oz | 9.375 cup |
| 80 fl oz | 10 cup |
| 90 fl oz | 11.25 cup |
| 100 fl oz | 12.5 cup |
| 150 fl oz | 18.75 cup |
| 200 fl oz | 25 cup |
| 250 fl oz | 31.25 cup |
| 500 fl oz | 62.5 cup |
| 1,000 fl oz | 125 cup |
Going the other way? See the cups to fluid ounces chart.
About the units
Fluid Ounce (fl oz)
A US fluid ounce is 1/128 of a US gallon, about 29.57 milliliters. It measures liquid volume, not weight.
Cup (cup)
A US customary cup is 8 US fluid ounces, about 236.6 milliliters. Nutrition labels use a rounded 240 mL cup, and a metric cup is 250 mL.
Frequently asked questions
How many cups are in a fluid ounce?
There are 0.125 cups in a fluid ounce.
How many fluid ounces are in a cup?
There are 8 fluid ounces in a cup.
How do you convert fluid ounces to cups?
To convert fluid ounces to cups, divide the number of fluid ounces by 8.
What is 10 fluid ounces in cups?
10 fluid ounces equals 1.25 cups.
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