What is the exact conversion rate from fluid ounce (US) to cup (US)?

One US fluid ounce equals 0.125 US cups according to the US customary system.

Can I use this converter for international cups?

No, this tool converts only between US customary fluid ounces and US customary cups, which differ from some international volumes.

Is this conversion suitable for measuring ingredient weight?

No, this converter translates volumes and does not account for the ingredient's mass or density.

Convert Fluid Ounce (US) to Cup (US) Easily Online

Use this online unit converter to quickly and accurately transform volume measurements from fluid ounce (US) to cup (US) for cooking, baking, and packaging needs.

Fluid ounce (US) [fl oz (US)]

Cup (US)

Please check your input. It must be a valid numeric value.

Fluid ounce (US) [fl oz (US)] to Cup (US) Conversion Table

Fluid ounce (US) [fl oz (US)]	Cup (US)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Fluid ounce (US) [fl oz (US)] to Cup (US) Conversion Table
Fluid ounce (US) [fl oz (US)]	Cup (US)

Explore More Volume Units Converter

What Is This Tool?

This converter helps you translate volume amounts from the US fluid ounce measurement to the US customary cup unit. It is particularly useful for culinary applications, packaging labels, and household product measurements in the United States.

How to Use This Tool?

Enter the volume value in fluid ounces (US) you wish to convert
Select fluid ounce (US) as the input unit and cup (US) as the output unit
Click on the convert button to see the equivalent volume in cups (US)
Use the results for recipes, packaging information, or accurate volume understanding

Key Features

Converts fluid ounce (US) volumes to US customary cups with ease
Uses the exact US customary conversion rate of 1 fluid ounce = 0.125 cups
Supports practical applications like cooking, baking, and product packaging
Browser-based and simple to use without any installation

Examples

8 fluid ounces (US) equals 1 cup (US)
16 fluid ounces (US) equals 2 cups (US)

Common Use Cases

Measuring ingredient volumes in US recipes and kitchen tasks
Understanding beverage sizes on cans and bottles
Interpreting liquid amounts on medicine or household product labels
Scaling recipes by converting smaller liquid volumes into standard cups

Tips & Best Practices

Always confirm which cup definition is used in labeling—standard US cup or legal 240 mL cup
Use volume conversions as a guide, not for weight-dependent measurements
Apply the tool primarily for US customary measurements to ensure accuracy

Limitations

The US cup is not universal and varies from international or legal definitions
Conversion does not reflect ingredient density or mass differences
Slight variations may exist if nutrition contexts use a 240 mL cup instead of US customary

Frequently Asked Questions

What is the exact conversion rate from fluid ounce (US) to cup (US)?: One US fluid ounce equals 0.125 US cups according to the US customary system.
Can I use this converter for international cups?: No, this tool converts only between US customary fluid ounces and US customary cups, which differ from some international volumes.
Is this conversion suitable for measuring ingredient weight?: No, this converter translates volumes and does not account for the ingredient's mass or density.

Key Terminology

Fluid Ounce (US): A US customary volume unit equal to 1/128 of a US liquid gallon or exactly 29.5735295625 milliliters, commonly used for small liquid quantities.
Cup (US): A US customary unit of volume equal to 8 US fluid ounces or exactly 236.5882365 milliliters, typically used in cooking measurements.
Conversion Rate: The precise factor that relates one unit of measurement to another; here, 1 fluid ounce (US) equals 0.125 cup (US).

Quick Knowledge Check

How many cups (US) are in 8 fluid ounces (US)?

0.5 cups

1 cup

2 cups

What does 1 fluid ounce (US) equal in cups (US)?

0.25 cups

0.125 cups

0.5 cups

Which of these is a common use of fluid ounce to cup conversion?

Measuring mass of ingredients

Scaling recipe volumes

Measuring temperature

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