Cups to Oz ConverterRight in Your Browser
Convert US cups (cup) to US fluid ounces (fl oz). The US cup measures both liquids and dry ingredients in American recipes — about 237 ml. The US fluid ounce (fl oz) measures liquids in American recipes and drink sizes — 8 fl oz make a cup. Everything is calculated locally in your browser — no server, and it works offline.
8 fl oz
in US fluid ounces (US fluid ounce)
To convert US cups to US fluid ounces, multiply the US cup value by 8.
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| US cups (cup) | US fluid ounces (fl oz) |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 4 | 32 |
| 5 | 40 |
| 10 | 80 |
| 20 | 160 |
| 50 | 400 |
| 100 | 800 |
Frequently Asked Questions
How many US fluid ounces are in a US cup?
One US cup equals 8 US fluid ounces (1 cup = 8 fl oz). So to go from US cups to US fluid ounces, multiply the US cup value by 8.
What is the formula to convert US cups to US fluid ounces?
To convert US cups to US fluid ounces, multiply the US cup value by 8. For example, 10 cup is 80 fl oz.
What is 2 US cups in US fluid ounces?
2 US cups — the flour in a typical cookie recipe — is 16 US fluid ounces. The converter above works for any value, entirely in your browser.
Is the US cup to US fluid ounce conversion exact?
The factor used here is the defined value: 1 cup = 8 fl oz. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.