Cup to Fluid Ounce Converter

1 Cup = 8 Fluid Ounces. To convert Cups to Fluid Ounces, multiply by 8.

Result updates as you type
Recent: 1 Cup = 8 Fluid Ounce

Formula

To convert Cups to Fluid Ounces, multiply the value by 8. One Cup equals 8 Fluid Ounces.

fl oz = cup × 8

Worked examples

  • 1 Cup = 8 Fluid Ounces
  • 5 Cups = 40 Fluid Ounces
  • 10 Cups = 80 Fluid Ounces
  • 100 Cups = 800 Fluid Ounces

Cups to Fluid Ounces table

Cups (cup) Fluid Ounces (fl oz)
1 8
2 16
3 24
4 32
5 40
10 80
25 200
50 400
100 800
250 2000
500 4000
1000 8000

About Cup and Fluid Ounce

Both the Cup (cup) and the Fluid Ounce (fl oz) measure volume. One Cup is equal to 8 Fluid Ounces, so you can convert any measurement by multiplying by 8. The calculator above updates instantly, and the reference table lists common Cup-to-Fluid Ounce values for quick lookups.

Unit definitions

Cup (cup)
The Cup (cup) is a unit of volume equal to 236.588 Milliliters.
Fluid Ounce (fl oz)
The Fluid Ounce (fl oz) is a unit of volume equal to 29.5735 Milliliters.

Frequently asked questions

How do you convert Cups to Fluid Ounces?
Multiply the number of Cups by 8. For example, 1 Cup × 8 = 8 Fluid Ounces.
How many Fluid Ounces are in a Cup?
There are 8 Fluid Ounces in one Cup.
What is 10 Cups in Fluid Ounces?
10 Cups is equal to 80 Fluid Ounces.
How do you convert Fluid Ounces back to Cups?
Multiply the number of Fluid Ounces by 0.125 to get Cups. One Fluid Ounce equals 0.125 Cups.

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