Convert Cups (US) to Fluid Ounces (US)

One cup (US) equals 8 fluid ounces (us). Type any value to convert cups (us) to fluid ounces (us) instantly — with a full reference table below.

Convert Cups (US) to Fluid Ounces (US)

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Conversion formula

To convert cups (us) to fluid ounces (us), multiply by 8. One cup (US) equals 8 fl oz, and one fluid ounce (US) equals 0.125 cup.

Cups (US) to Fluid Ounces (US) table

About converting Cups (US) to Fluid Ounces (US)

Cups (US) (cup) and Fluid Ounces (US) (fl oz) are both units of volume. The exact factor is 1 cup = 8 fl oz, so multiply by 8 to go from cups (us) to fluid ounces (us) (or divide to go back).

The conversion is exact and runs entirely in your browser. Need the reverse? Use the Fluid Ounces (US) to Cups (US) converter, or the full unit converter for every unit at once.

Frequently asked questions

How many fluid ounces (us) are in one cup (US)?
One cup (US) equals 8 fluid ounces (us).
How do I convert cups (us) to fluid ounces (us)?
Multiply the number of cups (us) by 8. For example, 10 cups (us) = 80 fluid ounces (us).
What is 5 cups (us) in fluid ounces (us)?
5 cups (us) is 40 fluid ounces (us).