What is a fluid ounce (UK)?

A fluid ounce (UK) is an imperial unit of liquid volume equal to 1/160 of an imperial gallon, exactly 28.4130625 millilitres.

What is a dram used for?

A dram is a historic liquid volume unit used primarily in pharmacy, medicine, and mixology for measuring small liquid doses.

How many drams are in one fluid ounce (UK)?

One fluid ounce (UK) equals approximately 7.686 drams based on the imperial system.

Are there differences between imperial and US drams?

Yes, imperial and US customary drams differ slightly in volume, so it’s important to know which system applies.

How to Convert from Fluid Ounce (UK) [fl oz (UK)] to Dram [dr]

Convert liquid volume measurements from the UK fluid ounce (imperial) to dram units, useful for traditional British recipes, pharmaceutical dosages, and mixology.

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

Dram [dr]

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Fluid ounce (UK) [fl oz (UK)] to Dram [dr] Conversion Table

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

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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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 Dram [dr] Conversion Table
Fluid ounce (UK) [fl oz (UK)]	Dram [dr]

Explore More Volume Units Converter

What Is This Tool?

This converter allows you to translate volume measurements from the UK fluid ounce, part of the British imperial system, into drams, which are smaller historic units commonly used in pharmacy and bartending.

How to Use This Tool?

Enter the value you want to convert in fluid ounces (UK).
Select fluid ounce (UK) as the input unit and dram as the output unit.
Click the convert button to see the equivalent volume in drams.
Use the result for recipe adjustments, historical research, or dosage calculations.

Key Features

Converts from fluid ounce (UK) to dram based on imperial volume units.
Supports traditional and historical measurement contexts such as recipes and medical dosages.
Provides precise conversion using the exact imperial conversion rate.
Browser-based and easy to use for quick volume conversions.
Facilitates interpretation of older UK/Commonwealth legal or commercial volume data.

Examples

2 fluid ounces (UK) equals approximately 15.372 drams.
0.5 fluid ounce (UK) converts to about 3.843 drams.

Common Use Cases

Interpreting traditional British recipes and cookbooks with imperial volumes.
Measuring small liquid doses in historical pharmacy and medical prescriptions.
Converting older cocktail recipes and bitters amounts in mixology.
Analyzing legal documents or product labels referencing British imperial liquids.
Conducting historical research on pre-metric volume units.

Tips & Best Practices

Always verify whether the dram unit used is imperial or US customary for accuracy.
Use this tool when dealing with historical or traditional volume measures.
Double-check conversions when precise dosage or recipe accuracy is critical.
Keep in mind the dram is largely a historical unit not common in modern metric contexts.

Limitations

The dram is primarily a historical unit and sees limited use in current metric systems.
There is a slight difference between imperial and US customary dram volumes.
Precision may vary depending on the measurement system applied for drams.
Not suitable for conversions requiring modern or scientific volume standards.

Frequently Asked Questions

What is a fluid ounce (UK)?: A fluid ounce (UK) is an imperial unit of liquid volume equal to 1/160 of an imperial gallon, exactly 28.4130625 millilitres.
What is a dram used for?: A dram is a historic liquid volume unit used primarily in pharmacy, medicine, and mixology for measuring small liquid doses.
How many drams are in one fluid ounce (UK)?: One fluid ounce (UK) equals approximately 7.686 drams based on the imperial system.
Are there differences between imperial and US drams?: Yes, imperial and US customary drams differ slightly in volume, so it’s important to know which system applies.

Key Terminology

Fluid Ounce (UK): An imperial liquid volume unit equal to 1/160 of an imperial gallon or precisely 28.4130625 millilitres.
Dram [dr]: A historical liquid volume unit equal to 1/8 of a fluid ounce, used chiefly in pharmacy, medicine, and mixology.
Imperial System: A measurement system originating from the British Empire that includes units like the fluid ounce (UK).

Quick Knowledge Check

What is the exact volume of one fluid ounce (UK) in millilitres?

28.4130625 mL

30.0 mL

25.0 mL

What is the primary use of the fluid dram unit?

Small liquid doses in pharmacy

Measuring dry weight

Large volume commercial shipping

How many drams equal one fluid ounce (UK)?

5.5 drams

7.686 drams

10 drams

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