Convert Cups (US) to Fluid Ounces (US) (cup to fl oz)
Instantly convert cups (us) to fluid ounces (us) with this free online converter. Type a value below and the result updates in real time. All calculations run in your browser, nothing is sent to a server.
Cups (US) to Fluid Ounces (US) Formula
fl oz = cup x 8
Multiply the cups (us) value by 8 to get fluid ounces (us).
Common Cups (US) to Fluid Ounces (US) Conversions
| Cups (US) (cup) | Fluid Ounces (US) (fl oz) |
|---|---|
| 1 cup | 8 fl oz |
| 5 cup | 40 fl oz |
| 10 cup | 80 fl oz |
| 25 cup | 200 fl oz |
| 50 cup | 400 fl oz |
| 100 cup | 800 fl oz |
| 500 cup | 4,000 fl oz |
| 1,000 cup | 8,000 fl oz |
| 5,000 cup | 40,000 fl oz |
| 10,000 cup | 80,000 fl oz |
How to Convert Cups (US) to Fluid Ounces (US)
- Enter the cups (us) value in the input field above.
- The fluid ounces (us) result appears instantly as you type.
- Click the copy button to copy the result to your clipboard.
- To convert in the other direction, click the Swap button or visit the Fluid Ounces (US) to Cups (US) converter.
Frequently Asked Questions
How many fluid ounces (us) are in one cups (us)?
One cups (us) equals 8 fl oz. Use the converter above for any value.
What is the formula to convert cup to fl oz?
The formula is: fl oz = cup x 8. Multiply the cups (us) value by 8 to get fluid ounces (us).
How do I convert fluid ounces (us) back to cups (us)?
Use our reverse converter: Fluid Ounces (US) to Cups (US). You can also click the "Swap" button above the converter.
Is this converter accurate?
Yes. This converter uses the standard conversion factor and handles up to 8 decimal places of precision. All calculations run instantly in your browser with no rounding shortcuts.
Do I need to sign up to use this converter?
No. This converter is completely free with no signup, no account, and no usage limits. Your data never leaves your browser.
About This Tool
- Tool
- FreeToolPark Cups (US) to Fluid Ounces (US) Converter
- Type
- Free online tool, no signup required
- Domain Expertise
- Unit conversion, measurement systems, data format conversion
- Privacy
- 100% client-side, no data stored
- Description
- Free cups (us) to fluid ounces (us) converter. Instantly convert cup to fl oz with a reference table of common values. No signup, runs in your browser.
Cite This Tool
FreeToolPark. "Cups (US) to Fluid Ounces (US) Converter." FreeToolPark, 2026, www.freetoolpark.com/tools/convert/cup-to-floz. Accessed April 14, 2026.