Convert Cups to Fluid ounces
4 cup = 32 fl oz
fl oz = cup × 8Convert cups to fluid ounces instantly — type in either box and it works both ways.
How to convert cups to fluid ounces
To convert cups to fluid ounces, multiply the number of cups by 8.
fl oz = cup × 8
Example: convert 4 cup to fl oz
- 4 × 8 = 32
- 4 cup = 32 fl oz
1 cup = 8 fl oz and 1 fl oz = 0.125 cup.
Cups to Fluid ounces conversion chart
| Cups (cup) | Fluid ounces (fl oz) |
|---|---|
| 0.25 cup | 2 fl oz |
| 0.5 cup | 4 fl oz |
| 1 cup | 8 fl oz |
| 2 cup | 16 fl oz |
| 3 cup | 24 fl oz |
| 4 cup | 32 fl oz |
| 5 cup | 40 fl oz |
| 10 cup | 80 fl oz |
| 20 cup | 160 fl oz |
| 50 cup | 400 fl oz |
| 100 cup | 800 fl oz |
Frequently asked questions
How do you convert cups to fluid ounces?
To convert cups to fluid ounces, multiply the number of cups by 8. The formula is fl oz = cup × 8.
How many fluid ounces are in one cup?
1 cup = 8 fl oz.
How do I convert fluid ounces back to cups?
Use the reverse formula: cup = fl oz ÷ 8. For example 1 fl oz = 0.125 cup.
Is this converter free and accurate?
Yes. It is free, uses exact internationally defined conversion factors, and runs in your browser — nothing you type is sent anywhere.
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