Cups to Fluid Ounces Conversion Calculator

Convert cups to fluid ounces quickly and easily with our free online calculator.

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About this Converter

This free cups to fluid ounces converter provides quick and accurate conversions between US customary volume measurements. Simply enter a value in cups and get the equivalent in fluid ounces instantly.

How to Convert Cups to Fluid Ounces

To convert from cups to fluid ounces, use the conversion calculator above. The calculator uses the precise conversion ratio automatically.

Common Conversions

  • 1 cup = 8 fluid ounces
  • 2 cups = 16 fluid ounces (1 pint)
  • 4 cups = 32 fluid ounces (1 quart)
  • 0.5 cups = 4 fluid ounces
  • 8 cups = 64 fluid ounces (2 quarts)

How to Use

  1. Enter the number of cups in the input field
  2. Select your desired units from the dropdowns if needed
  3. The result in fluid ounces will be calculated automatically

About the Conversion

The cup to fluid ounce conversion is commonly used in cooking and beverage preparation. Both units are part of the US customary system, with 8 fluid ounces equaling 1 cup. This conversion is particularly useful for understanding recipe measurements and beverage serving sizes.

Set the calculator to your desired defaults above, then copy the code below.

Or set custom default values:

Cup to Fluid Ounce Conversion Table

Common Cups to Fluid Ounces conversions:

Common Cup to Fluid Ounce conversion values
Cups (cup) Fluid Ounces (fl oz)
1 8
2 16
3 24
4 32
5 40
10 80
15 120
20 160
25 200
50 400
75 600
100 800
250 2,000
500 4,000
1,000 8,000

Frequently Asked Questions

How many fluid ounces are in 1 cup?
There are 8 fluid ounces in 1 cup.
How do you convert cups to fluid ounces?
To convert cups to fluid ounces, multiply the number of cups by 8. For example, 5 cups = 40 fluid ounces.
How many cups are in 1 fluid ounce?
There are 0.125 cups in 1 fluid ounce.