Convert Cups to Fluid Ounces

1 cup = 8 fl oz

Conversion Formula

1 cup = 8 fl oz

Common Cup to Fluid Ounce Conversions

Cups (cup)Fluid Ounces (fl oz)
0.54
18
216
324
432
540
1080
15120
20160
25200
50400
75600
100800
2502000
5004000
7506000
10008000
250020000
500040000
1000080000

How to Convert Cups to Fluid Ounces

To convert cups to fluid ounces, multiply the cup value by 8.

For example, 5 cups is equal to 5 × 8 = 40 fluid ounces.

The cup (cup) and the fluid ounce (fl oz) are both units of volume. Understanding the relationship between these units is helpful for everyday conversions, scientific calculations, and engineering applications.

Frequently Asked Questions

How many Fluid Ounces are in 1 Cup?

1 Cup (cup) is equal to 8 Fluid Ounces (fl oz).

How do I convert Cups to Fluid Ounces?

To convert Cups to Fluid Ounces, multiply the value by 8. For example, 10 cup = 80 fl oz.

How many Cups are in 1 Fluid Ounce?

1 Fluid Ounce (fl oz) is equal to 0.125 Cups (cup).

What is the formula to convert Cups to Fluid Ounces?

The formula is: Fluid Ounces = Cups × 8. This means you multiply the number of Cups by 8 to get the equivalent in Fluid Ounces.

How much is 100 Cups in Fluid Ounces?

100 Cups (cup) is equal to 800 Fluid Ounces (fl oz). You can use the converter above for any custom value.

Is converting Cups to Fluid Ounces a common conversion?

Yes, converting between Cups and Fluid Ounces is a common volume conversion used in everyday life, science, and engineering. Our converter provides instant, accurate results.

Related Conversions

Conversion factors sourced from SI (BIPM) and NIST standards. Reviewed by the MicroCalcTools engineering team.

Last updated: April 2026