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US Fluid Ounce to US Cup Converter

1 US Fluid Ounce = 0.125 US Cup

0.125

1 US Fluid Ounce = 0.125 US Cup

US Fluid Ounce to US Cup Conversion Table

US Fluid Ounce (fl oz)US Cup (cup)
00
10.125
50.625
101.25
253.125
506.25
10012.5

US Fluid Ounce to US Cup Formula

1 US Fluid Ounce = 0.125 Cups. To convert us fluid ounces to cups, multiply by 0.125.

Convert 5 Fluid Ounces

5 × 0.125 = 0.625
Result: 5 Fluid Ounces = 0.625 Cups

Converting Small Liquid Measurements into Larger Kitchen Units

US fluid ounces are commonly used on beverage labels and ingredient packaging, while cups are one of the most familiar measurements in American recipes.

Why Convert to Cups?

Many recipes use cups for larger liquid quantities because they are easier to measure than multiple fluid ounces.

Where Fluid Ounces Are Common

Beverages, dairy products and bottled ingredients often display volume in fluid ounces.

Kitchen Example

An 8-fluid-ounce serving is exactly one US cup.

How to Convert US Fluid Ounces to US Cups

Divide fluid ounces by 8. For example: 8 US fl oz = 1 US cup 16 US fl oz = 2 US cups

FAQ

How many US fluid ounces are in a US cup?
One US cup contains exactly 8 US fluid ounces.
Why is this conversion common?
Many recipes switch between cups and fluid ounces for liquids.
Which unit is easier for beverages?
Fluid ounces are often used for drinks, while cups are common in cooking.

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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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