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Convert fluid ounces to cups

1 fluid ounce equals 0.125 cups. Type any number below — the other side updates instantly.

Fluid ounces to cups — quick reference

fluid ouncescups
1 fl oz0.125 cup
2 fl oz0.25 cup
4 fl oz0.5 cup
6 fl oz0.75 cup
8 fl oz1 cup
12 fl oz1.5 cup
16 fl oz2 cup
24 fl oz3 cup
32 fl oz4 cup
64 fl oz8 cup

How to convert

Multiply the number of fluid ounces by 0.125 to get cups. To go the other way, multiply cups by 8 to get fluid ounces. The conversion factor is fixed and exact, so you can use this on any value.

About these units

Fluid ounces

Definition
A US fluid ounce (symbol: fl oz) equals about 29.57 ml. There are 16 fl oz in a US pint and 128 in a US gallon.
History
The US fluid ounce was set by Congress in 1832. The Imperial fluid ounce (used in the UK) is slightly different at about 28.41 ml.
Current use
Used in the US for liquid measurements — beverages, recipes, cosmetics — and shown on most US food and drink labels.

Cups

Definition
A US cup is 8 US fluid ounces, or about 236.6 ml. The metric cup is 250 ml exactly.
History
Standardized cooking measures became common in the US in the early 20th century, popularized by Fannie Farmer's Boston Cooking-School Cook Book (1896).
Current use
The cup is the everyday cooking measure in the US, Canada, Australia, and many English-language recipes worldwide.

Frequently asked

How many cups are in 1 fluid ounce?
1 fluid ounce = 0.125 cups.
How do you convert fluid ounces to cups?
Multiply the number of fluid ounces by 0.125 to get cups. To go the other way, multiply cups by 8 to get fluid ounces. The conversion factor is fixed and exact, so you can use this on any value.
What is 12 fluid ounces in cups?
12 fluid ounces = 1.5 cups.
Reverse conversionCups to fluid ounces

Convert fluid ounces to other volume units

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