Cup to Fluid Ounce Converter
Convert cup to fluid ounce instantly.
Standard volume units
liter 23.659
milliliter 23658.824
fluid ounce 800
gallon 6.25
pint 50
Fun comparisons
espresso shots ☕~ 788.63
standard water bottles 🍶~ 47.32
bathtubs 🛁~ 0.13
Olympic swimming pools 🏊~ Less than 0.01
How to convert cup to fluid ounce
Enter your value in cup and see the equivalent in fluid ounce instantly. The converter includes real-world comparisons - like water bottles and bathtubs - to help you picture the volume.
Cups and fluid ounces are both common US cooking measurements - there are exactly 8 fluid ounces in one US cup.
Need the opposite direction? Convert fluid ounce to cup just as easily, or explore all our volume conversions.
Common cup to fluid ounce conversions
| Cup (cup) | Fluid Ounce (fl oz) |
|---|---|
| 1 | 8 |
| 5 | 40 |
| 10 | 80 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 500 | 4000 |
| 1000 | 8000 |
Frequently asked questions
1 cup equals 8 fluid ounce.
Multiply by 8. For example, 5 cup = 40 fl oz.
2 cups equals exactly 16 fluid ounces.
1 fluid ounce equals 0.125 cup.
100 cup equals 800 fluid ounce.