cup to fl oz
Convert Cup to Fluid Ounce
Convert Cup to Fluid Ounce instantly with the tool above. The conversion factor is 8, meaning 1 cup equals 8 fluid ounces. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Cup = 8 fluid ounces
1 Fluid Ounce = 0.125 cups
Quick reference
Common cups converted to fluid ounces at a glance.
| cup | fl oz |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 5 | 40 |
| 10 | 80 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 500 | 4,000 |
| 1,000 | 8,000 |
How to convert cups to fluid ounces
To convert a value from cups to fluid ounces, multiply the cup value by 8 fluid ounces. For example, 10 cups × that factor = 80 fluid ounces.
This cup to fluid ounce converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many fluid ounces are in 1 cup?+
1 cup is equal to 8 fluid ounces.
How do you convert cups to fluid ounces?+
To convert cups to fluid ounces, multiply the cup value by 8. For example, 10 cups × 8 = 80 fluid ounces.
What is the formula to convert cups to fluid ounces?+
Cup → Fluid Ounce: value × 8. Equivalently, 1 cup = 8 fluid ounces.
Is this Cup to Fluid Ounce converter free to use?+
Yes. This cup to fluid ounce converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.