🍳 Cup (US) to Fluid Ounce (US) Converter
Free online tool to convert Cup (US) (cup) to Fluid Ounce (US) (fl oz). Enter a value and get instant, accurate results.
Enter a value above to see the result
Cup (US) to Fluid Ounce (US) Conversion Table
| Cup (US) (cup) | Fluid Ounce (US) (fl oz) |
|---|---|
| 0.25 cup | 2 fl oz |
| 0.5 cup | 3.9999999 fl oz |
| 1 cup | 7.9999999 fl oz |
| 2 cup | 16 fl oz |
| 4 cup | 32 fl oz |
| 8 cup | 63.999999 fl oz |
Conversion Formula
US volume hierarchy: 1 cup = 16 tbsp = 48 tsp = 8 fl oz ≈ 236.6 mL 1 stick butter = ½ cup = 8 tbsp ≈ 118.3 mL 1 qt = 2 pt = 4 cups • 1 L ≈ 4.227 cups
About Cup (US) to Fluid Ounce (US) Conversions
Need to convert Cup (US) to Fluid Ounce (US) for a recipe? This free tool gives you the exact answer with no calculation required. Enter your cup value and read the result in fl oz.
The conversion factor is: 1 cup = 7.9999999 fl oz. To convert manually, multiply your value by 7.9999999. As a quick example: 10 cup = 79.999999 fl oz.
This page includes a reference table of common Cup (US) values pre-converted to Fluid Ounce (US), the conversion formula, and frequently asked questions. All values use internationally recognized conversion standards.
Frequently Asked Questions
How do I convert Cup (US) to Fluid Ounce (US)?
Multiply your Cup (US) value by 7.9999999 to get Fluid Ounce (US). For example: 10 cup × 7.9999999 = 79.999999 fl oz. You can also use the converter above for instant results.
How many Fluid Ounce (US) are in 1 Cup (US)?
There are 7.9999999 fl oz in exactly 1 cup. This is the direct conversion factor between these two units.
Is Cup (US) larger or smaller than Fluid Ounce (US)?
One Cup (US) is larger than one Fluid Ounce (US). Specifically, 1 cup = 7.9999999 fl oz, so your number increases when converting from cup to fl oz.
When would I use Fluid Ounce (US) instead of Cup (US)?
fl oz is useful when following recipes from a different country or when your measuring tools use a different unit. Converting between cup and fl oz is a common step when adapting recipes.
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All conversion results are provided for general informational purposes only. Our formulas use internationally recognized conversion factors; however, rounding may affect precision. Do not rely on these results for professional, medical, legal, or engineering decisions without independent verification. Read our full disclaimer.