Oz to Cups ConverterRight in Your Browser
Convert US fluid ounces (fl oz) to US cups (cup). The US fluid ounce (fl oz) measures liquids in American recipes and drink sizes — 8 fl oz make a cup. The US cup measures both liquids and dry ingredients in American recipes — about 237 ml. Everything is calculated locally in your browser — no server, and it works offline.
0.125 cup
in US cups (US cup)
To convert US fluid ounces to US cups, multiply the US fluid ounce value by 0.125.
Switch to Cups to OzOz to Cups Chart
| US fluid ounces (fl oz) | US cups (cup) |
|---|---|
| 1 | 0.125 |
| 2 | 0.25 |
| 3 | 0.375 |
| 4 | 0.5 |
| 5 | 0.625 |
| 10 | 1.25 |
| 20 | 2.5 |
| 50 | 6.25 |
| 100 | 12.5 |
Frequently Asked Questions
How many US cups are in a US fluid ounce?
One US fluid ounce equals 0.125 US cups (1 fl oz = 0.125 cup). So to go from US fluid ounces to US cups, multiply the US fluid ounce value by 0.125.
What is the formula to convert US fluid ounces to US cups?
To convert US fluid ounces to US cups, multiply the US fluid ounce value by 0.125. For example, 10 fl oz is 1.25 cup.
What is 8 US fluid ounces in US cups?
8 US fluid ounces — a standard cup of water — is 1 US cups. The converter above works for any value, entirely in your browser.
Is the US fluid ounce to US cup conversion exact?
The factor used here is the defined value: 1 fl oz = 0.125 cup. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.