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US Cup to US Fluid Ounce Converter

1 US Cup = 8 US Fluid Ounce

8

1 US Cup = 8 US Fluid Ounce

US Cup to US Fluid Ounce Conversion Table

US Cup (cup)US Fluid Ounce (fl oz)
00
18
540
1080
25200
50400
100800

US Cup to US Fluid Ounce Formula

1 US Cup = 8 Fluid Ounces. To convert us cups to fluid ounces, multiply by 8.

Convert 5 Cups

5 × 8 = 40
Result: 5 Cups = 40 Fluid Ounces

Understanding Common American Volume Measurements

US cups and fluid ounces frequently appear together on beverage containers, food packaging and recipes.

Where Fluid Ounces Are Used

Fluid ounces are often found on drink labels, nutritional information and liquid ingredient packaging.

Why Convert Between Them?

Recipes may provide measurements in cups while packaged ingredients are labeled in fluid ounces.

Beverage Example

A standard measuring cup holds eight US fluid ounces.

How to Convert US Cups to US Fluid Ounces

Multiply US cups by 8. For example: 1 US cup = 8 US fl oz 3 US cups = 24 US fl oz

FAQ

How many US fluid ounces are in a US cup?
One US cup equals exactly 8 US fluid ounces.
Are cups and fluid ounces both volume units?
Yes. Both measure volume rather than weight.
Why do drink recipes often use fluid ounces?
Fluid ounces provide more detailed measurements for beverages and cocktails.

Reviewed and verified by ConvertAmore

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All calculations are based on internationally recognized measurement standards and established conversion formulas. Learn more about our calculation methodology, precision, and sources.

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