What is a chain (US survey) unit?

It is a traditional length measurement equal to 66 US survey feet, used historically in U.S. land surveying.

Why convert chain units to perch?

Converting helps interpret historical land records where these different units appear in documentation.

Are these units still used today?

Both units are mostly obsolete and primarily relevant for interpreting older land surveys and legal documents.

How to Convert from Chain (US survey) [ch] to Perch

Convert measurements from the US survey chain to perch, traditional length units used in historical land surveying and cadastral records.

Chain (US survey) [ch]

Perch

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

Chain (US survey) [ch] to Perch Conversion Table

Chain (US survey) [ch]	Perch

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 (US survey) [ch] to Perch Conversion Table
Chain (US survey) [ch]	Perch

Explore More Length Units Converter

What Is This Tool?

This converter allows you to transform length measurements from the chain (US survey) unit to the perch unit, both historically significant lengths used mainly in land surveying and property boundary descriptions.

How to Use This Tool?

Enter the value in chain (US survey) units you want to convert.
Select perch as the target unit for conversion.
Click the convert button to see the equivalent length in perch.
Use the results to assist with historical land document interpretation or mapping.

Key Features

Converts chain (US survey) units to perch with precise conversion ratios.
Supports interpreting legacy land measurement data from historical records.
Useful for cadastral, legal, and GIS applications involving traditional length units.
Browser-based and easy to use without additional software.

Examples

2 chain (US survey) equals 8.000016 perch.
5 chain (US survey) equals 20.00004 perch.

Common Use Cases

Interpreting old land deeds and cadastral surveys.
Converting historical surveying measurements for modern mapping and GIS.
Analyzing boundary descriptions found in rural property records.
Working with agricultural estate plans and historical property documents.

Tips & Best Practices

Always verify historical context when converting units in legacy documents.
Use this tool for interpretation rather than precise modern surveying.
Cross-check converted values with known measurements if available.
Keep in mind small variations might exist from historical rounding or standards.

Limitations

Both units are largely outdated and rarely used in current surveying.
Historical variations can cause slight differences in exact lengths.
This conversion mainly serves legacy data interpretation, not modern measurement needs.

Frequently Asked Questions

What is a chain (US survey) unit?: It is a traditional length measurement equal to 66 US survey feet, used historically in U.S. land surveying.
Why convert chain units to perch?: Converting helps interpret historical land records where these different units appear in documentation.
Are these units still used today?: Both units are mostly obsolete and primarily relevant for interpreting older land surveys and legal documents.

Key Terminology

Chain (US survey): A unit of length equal to 66 US survey feet, subdivided into 100 links, mainly used in historical land measurement.
Perch: An old unit of length equal to 16.5 feet, also called a rod or pole, used in surveying and property measurement.

Quick Knowledge Check

What does 1 chain (US survey) approximately equal in perch?

2 perch

4.000008 perch

10 perch

What primary field uses chain and perch units historically?

Land surveying

Medicine

Astronomy

What is perch also known as?

Rod or pole

Link

Link or chain

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