What is a fluid ounce (UK)?

The fluid ounce (UK) is an imperial unit of liquid volume equal to 1/160 of an imperial gallon, exactly 28.4130625 millilitres, used historically in British contexts.

How many metric teaspoons are in one fluid ounce (UK)?

One fluid ounce (UK) is equal to approximately 5.6826125 metric teaspoons.

Why should I use the metric teaspoon for conversions?

The metric teaspoon is standardized at exactly 5 millilitres, avoiding ambiguity from varying national teaspoon sizes.

Can this conversion be used for pharmaceutical purposes?

Yes, converting fluid ounce (UK) to metric teaspoons can help interpret dosing instructions from older UK/Commonwealth pharmaceutical labels.

How to Convert from Fluid Ounce (UK) to Teaspoon (Metric)

Learn how to convert volume measurements from fluid ounce (UK) to metric teaspoon with this easy-to-use unit converter. Understand the context, common uses, and limitations of these measurements.

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

Teaspoon (metric)

Please check your input. It must be a valid numeric value.

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

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

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

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What Is This Tool?

This tool converts volumes from the fluid ounce (UK), an imperial unit, to the metric teaspoon, a standardized culinary unit. It helps translate older British imperial measures into widely used metric equivalents for cooking, pharmaceutical dosing, and labeling.

How to Use This Tool?

Enter the volume value in fluid ounce (UK).
Select the target unit as metric teaspoon.
Run the conversion to obtain the equivalent volume in metric teaspoons.
Use the results for culinary, pharmaceutical, or labeling purposes.

Key Features

Converts fluid ounce (UK) volumes into metric teaspoons accurately using a fixed conversion rate.
Supports understanding of traditional British recipes and historical measurements in metric terms.
Browser-based, easy to use without additional software or calculations.
Provides clear examples to demonstrate conversion results.

Examples

2 fluid ounces (UK) equals approximately 11.37 metric teaspoons.
0.5 fluid ounce (UK) corresponds to about 2.84 metric teaspoons.

Common Use Cases

Translating British imperial measures in traditional recipes to metric units.
Converting historical or legal UK volume data into standardized metric volumes.
Measuring small ingredient quantities in cooking and baking using metric units.
Dosing medicines and syrups with metric teaspoon measurements.

Tips & Best Practices

Always ensure the teaspoon measurement used is the metric teaspoon defined as 5 mL.
Use this converter when working with older British recipes or pharmaceutical labels referencing imperial units.
Double-check conversions for very small volumes as rounding can affect precision.
Refer to the exact conversion rate to avoid confusion from other national teaspoon sizes.

Limitations

National variations of teaspoon sizes can cause misunderstandings; only the metric 5 mL teaspoon should be used.
Precision may decrease when converting very small volumes due to rounding effects.
The UK fluid ounce is not an SI unit and is less commonly applied in modern international science or commerce.

Frequently Asked Questions

What is a fluid ounce (UK)?: The fluid ounce (UK) is an imperial unit of liquid volume equal to 1/160 of an imperial gallon, exactly 28.4130625 millilitres, used historically in British contexts.
How many metric teaspoons are in one fluid ounce (UK)?: One fluid ounce (UK) is equal to approximately 5.6826125 metric teaspoons.
Why should I use the metric teaspoon for conversions?: The metric teaspoon is standardized at exactly 5 millilitres, avoiding ambiguity from varying national teaspoon sizes.
Can this conversion be used for pharmaceutical purposes?: Yes, converting fluid ounce (UK) to metric teaspoons can help interpret dosing instructions from older UK/Commonwealth pharmaceutical labels.

Key Terminology

Fluid Ounce (UK): An imperial unit of liquid volume equal to exactly 28.4130625 millilitres, used historically in British measurements.
Metric Teaspoon: A standardized culinary volume unit defined as exactly 5 millilitres, commonly used alongside metric measurements.
Imperial Gallon: A unit of volume in the British imperial system; one fluid ounce (UK) is 1/160 of an imperial gallon.

Quick Knowledge Check

What volume does one fluid ounce (UK) represent in millilitres?

28.4130625 mL

25 mL

30 mL

Which unit is defined as exactly 5 millilitres?

Metric teaspoon

Fluid ounce (UK)

Imperial gallon

Why is the conversion from fluid ounce (UK) to metric teaspoon important?

To understand traditional British recipes

Because metric teaspoon is an SI unit

To convert between mass units

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