What is a tun used for?

A tun is traditionally used for measuring large liquid volumes, especially for wine and ale casks in historical contexts.

What is the fluid dram?

The fluid dram is a small volume unit representing 1/8 of a fluid ounce, used mainly in pharmacy, medicine, and old recipes.

Why might conversions between tun and dram be inaccurate?

Because the size of a tun has varied historically and regional differences exist, plus variations between Imperial and US customary dram volumes.

How to Convert from Tun to Dram [dr]

Easily convert liquid volumes from the traditional English tun unit to the smaller fluid dram used in pharmacy and mixology with this simple online tool.

Tun

Dram [dr]

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

Tun to Dram [dr] Conversion Table

Tun	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

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.

Tun to Dram [dr] Conversion Table
Tun	Dram [dr]

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What Is This Tool?

This converter allows you to translate large liquid volume measurements from the historical tun, a unit commonly used for large casks, into fluid drams, a small volume unit often applied in medicine and cocktail recipes.

How to Use This Tool?

Enter the value in tun units you want to convert
Choose dram [dr] as the target unit
Click the convert button to view the equivalent volume in drams
Use the results to assist in archival research or adjusting recipes

Key Features

Converts large volume units (tun) to small liquid measures (fluid dram) quickly
Supports historical context in liquid volume conversions
Browser-based and easy to use without installing software
Helps interpret old wine, ale, and pharmaceutical records
Includes a direct conversion factor of 1 tun = 258048 drams

Examples

2 tun equals 516096 dram [dr]
0.5 tun equals 129024 dram [dr]

Common Use Cases

Translating historic cask volumes from large units to smaller doses
Converting measurements for pharmaceutical compounding of liquid doses
Interpreting traditional cocktail recipes with dram measurements
Archival and engineering work involving old brewery or distillery volumes

Tips & Best Practices

Be aware that the size of a tun may have varied historically and regionally
Consider differences between Imperial and US customary dram volumes for precision
Use converted values to support research and practical applications rather than exact scientific measurements
Double-check conversions when working with historical documents for contextual accuracy

Limitations

Variations in tun size over time and location can affect accuracy
Dram volumes differ slightly between Imperial and US customary systems
Conversion may not reflect exact modern equivalents due to historical changes

Frequently Asked Questions

What is a tun used for?: A tun is traditionally used for measuring large liquid volumes, especially for wine and ale casks in historical contexts.
What is the fluid dram?: The fluid dram is a small volume unit representing 1/8 of a fluid ounce, used mainly in pharmacy, medicine, and old recipes.
Why might conversions between tun and dram be inaccurate?: Because the size of a tun has varied historically and regional differences exist, plus variations between Imperial and US customary dram volumes.

Key Terminology

Tun: A historical English unit of liquid volume often used for large casks; approximately 252 wine gallons.
Dram [dr]: A small volume unit equal to 1/8 of a fluid ounce, utilized chiefly in pharmacy, medicine, and traditional recipes.
Conversion Rate: The specific factor used to change one unit of measurement into another, here 1 tun equals 258048 drams.

Quick Knowledge Check

What is the primary use of a tun?

Small liquid medication doses

Measuring large cask volumes

Mixing cocktails

How many dram [dr] are in one tun?

258048

100000

500000

In which fields is the dram most commonly used?

Pharmacy and medicine

Measuring whiskey barrels

Shipping logs

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