What is a fluid ounce (UK)?

A fluid ounce (UK) is an imperial unit of liquid volume equal to exactly 28.4130625 millilitres, historically used in the UK for recipes, beverages, and pharmaceuticals.

How much is one metric cup?

One metric cup is a non-SI volume unit defined exactly as 250 millilitres, commonly used in cooking and dietary measurements.

Why convert fluid ounces (UK) to metric cups?

Converting fluid ounces (UK) to metric cups helps adapt older or imperial-based volumes into widely used metric units for culinary, pharmaceutical, and labeling purposes.

How to Convert from Fluid ounce (UK) [fl oz (UK)] to Cup (metric)?

Convert fluid ounce (UK), an imperial volume unit, to the metric cup used in culinary and nutritional contexts. Learn how to translate UK-based liquid volume measurements into metric cups with ease.

Fluid ounce (UK) [fl oz (UK)]

Cup (metric)

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Fluid ounce (UK) [fl oz (UK)] to Cup (metric) Conversion Table

Fluid ounce (UK) [fl oz (UK)]	Cup (metric)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Fluid ounce (UK) [fl oz (UK)] to Cup (metric) Conversion Table
Fluid ounce (UK) [fl oz (UK)]	Cup (metric)

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What Is This Tool?

This converter transforms liquid volume measurements from the UK fluid ounce, a traditional British imperial unit, into the metric cup, a standard culinary measuring unit equal to 250 millilitres. It helps adapt older imperial volumes to modern metric equivalents.

How to Use This Tool?

Enter the fluid ounce (UK) value you want to convert
Select 'fluid ounce (UK) [fl oz (UK)]' as the source unit
Choose 'cup (metric)' as the target unit
Click convert to get the volume in metric cups

Key Features

Converts UK fluid ounces to metric cups accurately based on established millilitre equivalents
Supports interpretation of historical, legal, and commercial UK volume units
Useful for culinary recipe adaptation, beverage measurement, and pharmaceutical volume conversion
Browser-based and easy to use without software installation

Examples

10 fluid ounce (UK) [fl oz (UK)] equals approximately 1.1365225 cup (metric)
5 fluid ounce (UK) [fl oz (UK)] converts to about 0.56826125 cup (metric)

Common Use Cases

Adapting traditional British recipes that use imperial volumes into metric measurements
Converting beverage measures historically recorded in UK fluid ounces for modern service
Reinterpreting older pharmaceutical or legal documents referencing imperial volumes
Food packaging and nutrition labeling in countries using metric measurements

Tips & Best Practices

Consider the context of your conversion—scientific or culinary—due to different precision needs
Use the tool to understand volume relationships when adapting recipes or interpreting labels
Be aware of the difference between imperial and metric measurement standards
Apply rounding appropriately depending on the level of precision required

Limitations

Different measurement systems mean exact volumetric equivalence can vary depending on tolerance
Metric cups are standardized to 250 mL, while fluid ounces (UK) are defined by imperial gallons
Conversion accuracy depends on fixed millilitre relations; rounding differences may occur
Precision may need adjustment based on scientific versus culinary application

Frequently Asked Questions

What is a fluid ounce (UK)?: A fluid ounce (UK) is an imperial unit of liquid volume equal to exactly 28.4130625 millilitres, historically used in the UK for recipes, beverages, and pharmaceuticals.
How much is one metric cup?: One metric cup is a non-SI volume unit defined exactly as 250 millilitres, commonly used in cooking and dietary measurements.
Why convert fluid ounces (UK) to metric cups?: Converting fluid ounces (UK) to metric cups helps adapt older or imperial-based volumes into widely used metric units for culinary, pharmaceutical, and labeling purposes.

Key Terminology

Fluid ounce (UK) [fl oz (UK)]: An imperial liquid volume unit equal to 1/160 of an imperial gallon, exactly 28.4130625 millilitres.
Cup (metric): A volume unit defined as exactly 250 millilitres, widely used for cooking and nutritional measurements.
Imperial gallon: A British imperial unit of volume from which the fluid ounce (UK) is derived.

Quick Knowledge Check

What volume does one fluid ounce (UK) equal?

Exactly 28.4130625 millilitres

Exactly 250 millilitres

Exactly 1/160 of a metric gallon

What is the exact volume of a metric cup?

28.4130625 millilitres

250 millilitres

160 millilitres

Why is it important to convert fluid ounce (UK) to metric cup?

To measure beverage alcohol content

To adapt imperial volumes into metric units for modern use

To calculate weight in recipes

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