Fluid ounces to Cups Converter
Convert fluid ounces (fl oz) to cups (cup) instantly. 1 fluid ounce (US) = 0.125 cups.
How to convert fluid ounces to cups
cup = fl oz × 0.125
To convert fluid ounces to cups, multiply the volume value by 0.125. One fluid ounce (US) (fl oz) is equal to 0.125 cups (cup). For quick everyday conversions, the interactive converter above gives you the exact result as you type — no rounding surprises.
Fluid ounces to Cups conversion table
| 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 |
| 15 fl oz | 1.875 cup |
| 20 fl oz | 2.5 cup |
| 25 fl oz | 3.125 cup |
| 50 fl oz | 6.25 cup |
| 100 fl oz | 12.5 cup |
Frequently asked questions
How many cups are in 1 fluid ounce (US)?
1 fluid ounce (US) equals 0.125 cups.
How do I convert fluid ounces to cups?
Multiply the number of fluid ounces by 0.125. For example, 8 fl oz × 0.125 = 1 cup.
What is 8 fluid ounces in cups?
8 fluid ounces is equal to 1 cups.
Can I convert cups back to fluid ounces?
Yes — use our Cups to Fluid ounces converter, or divide by 0.125.