🍳 Fluid Ounce (US) to Cup (US) Converter
Free online tool to convert Fluid Ounce (US) (fl oz) to Cup (US) (cup). Enter a value and get instant, accurate results.
Enter a value above to see the result
Fluid Ounce (US) to Cup (US) Conversion Table
| Fluid Ounce (US) (fl oz) | Cup (US) (cup) |
|---|---|
| 0.25 fl oz | 0.03125 cup |
| 0.5 fl oz | 0.062500001 cup |
| 1 fl oz | 0.125 cup |
| 2 fl oz | 0.25 cup |
| 4 fl oz | 0.50000001 cup |
| 8 fl oz | 1 cup |
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 Fluid Ounce (US) to Cup (US) Conversions
Need to convert Fluid Ounce (US) to Cup (US) for a recipe? This free tool gives you the exact answer with no calculation required. Enter your fl oz value and read the result in cup.
The conversion factor is: 1 fl oz = 0.125 cup. To convert manually, multiply your value by 0.125. As a quick example: 10 fl oz = 1.25 cup.
This page includes a reference table of common Fluid Ounce (US) values pre-converted to Cup (US), the conversion formula, and frequently asked questions. All values use internationally recognized conversion standards.
Frequently Asked Questions
How do I convert Fluid Ounce (US) to Cup (US)?
Multiply your Fluid Ounce (US) value by 0.125 to get Cup (US). For example: 10 fl oz × 0.125 = 1.25 cup. You can also use the converter above for instant results.
How many Cup (US) are in 1 Fluid Ounce (US)?
There are 0.125 cup in exactly 1 fl oz. This is the direct conversion factor between these two units.
Is Fluid Ounce (US) larger or smaller than Cup (US)?
One Fluid Ounce (US) is smaller than one Cup (US). Specifically, 1 fl oz = 0.125 cup, so your number decreases when converting from fl oz to cup.
When would I use Cup (US) instead of Fluid Ounce (US)?
cup is useful when following recipes from a different country or when your measuring tools use a different unit. Converting between fl oz and cup is a common step when adapting recipes.
Related Cooking Conversions
Related Guides
US vs. Metric Cooking Measurements
Understand the key differences between US customary and metric cooking measurements. Learn the essential cup-to-mL, tablespoon-to-mL, and ounce-to-gram conversions for adapting recipes.
5 min read
How Many Tablespoons Are in a Cup?
There are exactly 16 tablespoons in one US cup. Learn the complete US volume hierarchy, common fractional cup equivalents, and how to use this conversion in the kitchen.
4 min read
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.