What is a chain [ch] in length measurement?

A chain is a traditional surveying unit equal to 66 feet or 20.1168 metres, commonly used in land measurement and parcel layout.

Why does the long reed vary in length?

The long reed is a historical unit whose exact length changed depending on the locality and period when it was used.

Can I use this tool for modern engineering projects?

Because the long reed is obsolete and variable, it is generally not suitable for precise modern scientific or engineering calculations.

How to Convert from Chain [ch] to Long reed?

Convert length measurements from the traditional surveying unit chain [ch] to the historical long reed unit with this easy-to-use online tool. Ideal for interpreting old land records and maps.

Chain [ch]

Long reed

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

Chain [ch] to Long reed Conversion Table

Chain [ch]	Long reed

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.

Chain [ch] to Long reed Conversion Table
Chain [ch]	Long reed

Explore More Length Units Converter

What Is This Tool?

This tool enables you to convert length values from chain [ch], a traditional imperial surveying unit, into long reed, a now-obsolete unit used historically in land measurement and local surveying.

How to Use This Tool?

Enter the length value measured in chains [ch] into the input field
Select chain [ch] as the source unit and long reed as the target unit
Click the convert button to receive the equivalent length in long reeds
Use the results to assist in interpreting historical land measurements or survey records

Key Features

Converts length values from chain [ch] to long reed based on established conversion rates
Designed for historical and cadastral surveying uses involving legacy units
Supports restoration, research, and interpretation of old property deeds and survey plans
Browser-based, user-friendly interface requiring no installation

Examples

2 Chains [ch] equals approximately 12.57 Long reed
0.5 Chain [ch] converts to about 3.14 Long reed

Common Use Cases

Interpreting and converting measurements in historical land deeds and survey data
Restoring and clarifying old property boundaries using legacy units
Supporting historical or linguistic research into regional measurement systems
Translating cadastral surveying data into localized units for GIS mapping

Tips & Best Practices

Consider the historical context since long reed measurements varied by location and period
Verify conversions for use in scientific or engineering projects due to its legacy status
Use the tool primarily for interpreting and researching historical surveying records
Cross-reference results with archival documents when restoring property boundaries

Limitations

The long reed unit differs in magnitude based on locality and time, so conversions are approximate
Not recommended for precise modern scientific or engineering calculations
Requires careful historical verification due to the obsolete nature of the long reed

Frequently Asked Questions

What is a chain [ch] in length measurement?: A chain is a traditional surveying unit equal to 66 feet or 20.1168 metres, commonly used in land measurement and parcel layout.
Why does the long reed vary in length?: The long reed is a historical unit whose exact length changed depending on the locality and period when it was used.
Can I use this tool for modern engineering projects?: Because the long reed is obsolete and variable, it is generally not suitable for precise modern scientific or engineering calculations.

Key Terminology

Chain [ch]: A traditional surveying unit equal to 66 feet, used historically for land measurement and parcel layouts.
Long reed: An obsolete unit of length formerly used in local surveying and land measurement; its exact value varied by region and era.
Cadastral surveying: The process of measuring and mapping land boundaries for ownership and legal purposes.

Quick Knowledge Check

What is the length of one chain in feet?

100 feet

66 feet

50 feet

What unit does this tool convert chain [ch] into?

Rod

Long reed

Meter

Why might the long reed's length vary?

Because it is defined by the metric system

Due to locality and historical period differences

Because it is the same everywhere

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