A tun is a traditional English liquid volume unit mainly used for large casks, historically defined as 252 wine gallons. Its size has varied regionally and over time.

How many gallons (UK) are in one tun?

One tun is equivalent to approximately 209.8339 Imperial gallons (UK) using the modern standardized conversion.

Can I use this tool to convert to US gallons?

No, this converter specifically converts tun to the Imperial gallon (UK), which differs from the US gallon and should not be confused.

How to Convert from Tun to Gallon (UK) [gal (UK)]?

Easily convert liquid volumes from the traditional English tun unit to the Imperial gallon (UK). Learn the key features, use cases, and step-by-step guide for accurate volume conversion.

Tun

Gallon (UK) [gal (UK)]

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

Tun to Gallon (UK) [gal (UK)] Conversion Table

Tun	Gallon (UK) [gal (UK)]

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 Gallon (UK) [gal (UK)] Conversion Table
Tun	Gallon (UK) [gal (UK)]

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What Is This Tool?

This converter tool allows you to convert volume measurements from the traditional English unit 'tun,' historically used for large liquid casks, into the Imperial gallon (UK). It is designed to assist with archival, engineering, and regulatory volume calculations using standard units.

How to Use This Tool?

Enter the volume value in tuns into the input field
Select 'tun' as the starting unit and 'gallon (UK)' as the target unit
Click the convert button to get the equivalent volume in Imperial gallons
Review the result for your archival, engineering, or regulatory needs

Key Features

Converts tun to Imperial gallon (UK) quickly and easily
Uses an exact modern conversion rate for precise volume translation
Browser-based with a user-friendly interface for simple input and output
Suitable for historical and engineering volume conversions
Supports volume measurement units pertinent to brewing, distilling, and maritime trade

Examples

2 Tuns equal approximately 419.67 Gallon (UK)
0.5 Tun converts to about 104.92 Gallon (UK)

Common Use Cases

Translating historical wine or ale cask volumes into modern units
Ensuring accuracy in customs and trade documentation involving liquid cargo
Converting old brewery or distillery measurements for engineering or archival projects
Calculating fuel tank capacities and flow rates in regions using imperial measurements
Supporting maritime trade and regulatory reporting involving traditional container volumes

Tips & Best Practices

Always consider the historical and regional context of the tun unit for accuracy
Do not confuse Imperial gallons with US gallons when interpreting results
Use this conversion for large volume measures where detailed precision is less critical
Double-check results when converting small fractional amounts due to possible rounding
Refer to historical records carefully when incorporating converted volumes into reports

Limitations

The tun size has varied historically and regionally, which can affect conversion accuracy
Imperial gallon (UK) differs from the US gallon; do not interchange these units
Potential rounding errors exist when converting very small fractional volumes from tun

Frequently Asked Questions

What is a tun unit?: A tun is a traditional English liquid volume unit mainly used for large casks, historically defined as 252 wine gallons. Its size has varied regionally and over time.
How many gallons (UK) are in one tun?: One tun is equivalent to approximately 209.8339 Imperial gallons (UK) using the modern standardized conversion.
Can I use this tool to convert to US gallons?: No, this converter specifically converts tun to the Imperial gallon (UK), which differs from the US gallon and should not be confused.

Key Terminology

Tun: A traditional English unit of liquid volume historically for large casks, defined as 252 wine gallons with regional size variations.
Gallon (UK): Also known as the Imperial gallon, a unit of volume exactly equal to 4.54609 litres used mainly in the UK and related contexts.
Conversion Rate: The factor used to translate volume measures from tun to Imperial gallons, defined here as 1 Tun equals 209.8338945265 Gallon (UK).

Quick Knowledge Check

Which unit does the tun traditionally measure?

Length

Volume

Weight

What is one key caution when converting tun to gallon (UK)?

Tun size is uniform worldwide

Tun size varies regionally and historically

Gallon (UK) equals US gallon

What is the approximate conversion rate of 1 tun to gallon (UK)?

100 gallons

210 gallons

300 gallons

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