fluid ounces to cups Converter
1 fl oz = 0.125 cup. Enter a value. The result updates immediately.
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
- Enter the value in fluid ounces.
- Select fluid ounces as the source unit.
- Select cups as the target unit.
- Read or copy the result.
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.