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Convert US Cups to US Fluid Ounces

1 us cup = 8 us fluid ounces. Multiply the number of us cups by 8.

Result
8

1 cup = 8 fl oz

Multiply the number of us cups by 8.

Results are rounded for display. Double-check values for critical work.

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Popular cooking & kitchen conversions

US Cups to US Fluid Ounces table

US CupsUS Fluid Ounces
1 cup8 fl oz
2 cup16 fl oz
3 cup24 fl oz
4 cup32 fl oz
5 cup40 fl oz
10 cup80 fl oz
20 cup160 fl oz
25 cup200 fl oz
50 cup400 fl oz
100 cup800 fl oz
500 cup4,000 fl oz
1000 cup8,000 fl oz

US Cups to US Fluid Ounces in your head

Multiply by 8.

That is exact for everyday purposes.

10 cup → 80 fl oz in your head, 80 fl oz exactly.

About these units

The us cup (cup) is a US customary unit of cooking & kitchen, equal to 236.58824 milliliters.

The us fluid ounce (fl oz) is a US customary unit of cooking & kitchen, equal to 29.57353 milliliters.

Going the other way, 1 us fluid ounce = 0.125 us cups. American recipes use volume, European recipes use weight and millilitres, and Australian tablespoons are bigger than everyone else's. This converter covers the volume side of the kitchen, including sticks of butter and the metric spoon sizes.

Frequently asked

How many us fluid ounces are in a us cup?
1 us cup = 8 us fluid ounces.
How do you convert us cups to us fluid ounces?
Multiply the number of us cups by 8.
What is 10 cup in fl oz?
10 cup = 80 fl oz.

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