Direct conversion
fluid ounces to cups Converter
Convert fluid ounce (US) [fl oz US] to cup (US) [cup US] instantly with formula, examples, chart, and FAQs.
fluid ounces to cups Converter
Instant results1 fluid ounce (US) [fl oz US] = 0.125 cup (US) [cup US]
Conversion Formula
1 fluid ounce (US) [fl oz US] = 0.125 cup (US) [cup US]
Example: 1 fluid ounce (US) [fl oz US] equals 0.125 cup (US) [cup US].
Examples
Practical Uses for fluid ounces to cups
Sources and Accuracy
Volume conversions use cubic metre as the reference unit. US liquid units, metric litres, and cubic units are converted with fixed factors stored in the unit table.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
How to Convert
- Enter the value in the “From value” field.
- Confirm the source unit is fluid ounce (US) [fl oz US].
- Confirm the target unit is cup (US) [cup US].
- Read the instant result and formula.
Where This Conversion Is Used
fluid ounces to cups Conversion Chart
Open full chart →| fluid ounce (US) [fl oz US] | cup (US) [cup US] |
|---|---|
| 1 | 0.125 |
| 2 | 0.25 |
| 5 | 0.625 |
| 10 | 1.25 |
| 20 | 2.5 |
| 25 | 3.125 |
| 50 | 6.25 |
| 100 | 12.5 |
| 1000 | 125 |
Frequently Asked Questions
How do I convert fluid ounce (US) to cup (US)?
Use this formula: 1 fluid ounce (US) [fl oz US] = 0.125 cup (US) [cup US] Enter your value in the calculator and the result updates instantly.
How many cup (US) are in 1 fluid ounce (US)?
1 fluid ounce (US) [fl oz US] equals 0.125 cup (US) [cup US].
Can I reverse this conversion?
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.