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
quart 25
UK pint 41.634
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.