Volume
fluid ounces to cups Converter
1 fl oz = 0.125 cup. Enter any value and the result updates instantly.
Convert
Accuracy and rounding
For recipe liquids and nutrition labels written in fl oz.
Metric volume units are fixed, and cups, teaspoons, tablespoons, pints, quarts, and gallons use U.S. liquid measures unless imperial is named.
For recipes, round to the nearest useful spoon, cup, or milliliter. For containers and dosing, keep more precision in cups.
How to convert fluid ounces to cups
- Type the fluid ounces value in the calculator.
- Keep fluid ounces selected as the from unit and cups selected as the to unit.
- Use the instant result, or copy it with the copy button.
fluid ounces to cups chart
| fluid ounces | cups |
|---|---|
| 1 fl oz | 0.125 cup |
| 2 fl oz | 0.25 cup |
| 5 fl oz | 0.625 cup |
| 10 fl oz | 1.25 cup |
| 25 fl oz | 3.125 cup |
| 50 fl oz | 6.25 cup |
| 100 fl oz | 12.5 cup |
Formula
cup = fl oz x 0.125
Example: 1 fl oz = 0.125 cup.
Source
Liter, cubic meter, and U.S. customary liquid measure relationships.
Common questions
How do I convert fluid ounces to cups?
Enter the fluid ounces value in the converter, or multiply by the factor shown in the formula. 1 fl oz = 0.125 cup.
What should I watch out for?
U.S. liquid units are used for cups, teaspoons, tablespoons, pints, quarts, and gallons unless the page says imperial.
Where does this volume conversion come from?
Liter, cubic meter, and U.S. customary liquid measure relationships. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.