US Cup to US Fluid Ounce (cup to fl oz)

Convert cup to fl ozVolume converter

One us cup equals 8 fl oz, so to convert US cups to US fluid ounces you multiply the value by 8. A us cup is larger than a us fluid ounce — going the other way, 1 fl oz = 0.125 cup. For example, 10 cup = 80 fl oz and 50 cup = 400 fl oz.

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1 cup = 8 fl oz

US Cup to US Fluid Ounce formula

1 US Cup = 8 fl oz

Worked examples

  • 25 cup = 200 fl oz
  • 100 cup = 800 fl oz

US Cup to US Fluid Ounce conversion table

US Cup (cup)US Fluid Ounce (fl oz)
18
216
324
540
864
1080
1296
15120
20160
25200
50400
100800
2502000
5004000
10008000

Frequently asked questions

How many US fluid ounces are in one us cup?

One us cup equals 8 US fluid ounces (fl oz).

How many US cups are in one us fluid ounce?

One us fluid ounce equals 0.125 US cups (cup).

How do you convert US cups to US fluid ounces?

1 US Cup = 8 fl oz. Use the calculator above for any value.

What is 5 cup in fl oz?

5 cup = 40 fl oz.

What is 100 cup in fl oz?

100 cup = 800 fl oz.

What is 10 cup in fl oz?

10 cup = 80 fl oz.

What is 20 cup in fl oz?

20 cup = 160 fl oz.

Is a us cup bigger than a us fluid ounce?

Yes. A us cup is larger — one us cup equals 8 US fluid ounces (fl oz).

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