Convert Fluid Ounces (US) to Cups (US) (fl oz to cup)
Instantly convert fluid ounces (us) to cups (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.
Fluid Ounces (US) to Cups (US) Formula
cup = fl oz x 0.125
Multiply the fluid ounces (us) value by 0.125 to get cups (us).
Common Fluid Ounces (US) to Cups (US) Conversions
| Fluid Ounces (US) (fl oz) | Cups (US) (cup) |
|---|---|
| 1 fl oz | 0.125 cup |
| 5 fl oz | 0.625 cup |
| 10 fl oz | 1.25 cup |
| 25 fl oz | 3.125 cup |
| 50 fl oz | 6.25 cup |
| 100 fl oz | 12.5 cup |
| 500 fl oz | 62.5 cup |
| 1,000 fl oz | 125 cup |
| 5,000 fl oz | 625 cup |
| 10,000 fl oz | 1,250 cup |
How to Convert Fluid Ounces (US) to Cups (US)
- Enter the fluid ounces (us) value in the input field above.
- The cups (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 Cups (US) to Fluid Ounces (US) converter.
Frequently Asked Questions
How many cups (us) are in one fluid ounces (us)?
One fluid ounces (us) equals 0.125 cup. Use the converter above for any value.
What is the formula to convert fl oz to cup?
The formula is: cup = fl oz x 0.125. Multiply the fluid ounces (us) value by 0.125 to get cups (us).
How do I convert cups (us) back to fluid ounces (us)?
Use our reverse converter: Cups (US) to Fluid Ounces (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 Fluid Ounces (US) to Cups (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 fluid ounces (us) to cups (us) converter. Instantly convert fl oz to cup with a reference table of common values. No signup, runs in your browser.
Cite This Tool
FreeToolPark. "Fluid Ounces (US) to Cups (US) Converter." FreeToolPark, 2026, www.freetoolpark.com/tools/convert/floz-to-cup. Accessed April 14, 2026.