What is an Inch (US survey)?

An Inch (US survey) is a legacy unit of length defined exactly as 100/3937 metres, used primarily in historical U.S. surveying and mapping.

How is the Chain (US survey) defined?

The Chain (US survey) is a traditional length unit equal to 66 US survey feet, used for land surveying and cadastral measurements.

Why convert from Inch (US survey) to Chain (US survey)?

This conversion helps interpret and translate historical survey data into larger units more appropriate for property boundary descriptions and mapping.

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

Learn how to convert length measurements from the US survey inch to the US survey chain, units historically used in land surveying and cadastral mapping in the United States.

Inch (US survey) [in]

Chain (US survey) [ch]

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

Inch (US survey) [in] to Chain (US survey) [ch] Conversion Table

Inch (US survey) [in]	Chain (US survey) [ch]

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.

Inch (US survey) [in] to Chain (US survey) [ch] Conversion Table
Inch (US survey) [in]	Chain (US survey) [ch]

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What Is This Tool?

This tool helps you convert length values from the US survey inch to the US survey chain, both legacy units historically applied in U.S. land surveying, geodetic control, and cadastral records.

How to Use This Tool?

Enter the length value measured in Inch (US survey).
Select Inch (US survey) as the input unit and Chain (US survey) as the output unit.
Click the convert button to get the equivalent length in Chain (US survey).

Key Features

Converts inch (US survey) values to chain (US survey) units using the proper conversion factor.
Supports interpretation of historical surveying data by translating smaller units to larger traditional land units.
Browser-based and simple interface for quick conversions without installation.

Examples

10 Inches (US survey) = 0.012626263 Chain (US survey)
100 Inches (US survey) = 0.12626263 Chain (US survey)

Common Use Cases

Interpreting and converting historical U.S. land survey and cadastral records that use the US survey units.
Processing legacy geodetic control and property boundary data for modern mapping and GIS.
Converting detailed measurements from inches to longer land surveying units for engineering and legal descriptions.

Tips & Best Practices

Verify that the source data uses US survey units to prevent conversion errors.
Use this tool to bridge legacy measurements and contemporary unit systems effectively.
Cross-check converted results when applying to precision surveying or engineering tasks.

Limitations

These units are legacy measurements no longer widely used officially, which may cause confusion.
Minor differences between US survey and international units may affect precision in detailed applications.
Always confirm the unit system in historical documents before converting.

Frequently Asked Questions

What is an Inch (US survey)?: An Inch (US survey) is a legacy unit of length defined exactly as 100/3937 metres, used primarily in historical U.S. surveying and mapping.
How is the Chain (US survey) defined?: The Chain (US survey) is a traditional length unit equal to 66 US survey feet, used for land surveying and cadastral measurements.
Why convert from Inch (US survey) to Chain (US survey)?: This conversion helps interpret and translate historical survey data into larger units more appropriate for property boundary descriptions and mapping.

Key Terminology

Inch (US survey): A legacy unit of length equal to 1/12 of the US survey foot, defined exactly as 100/3937 metres, historically used in US geodetic and cadastral surveys.
Chain (US survey): A traditional length unit equal to 66 US survey feet, subdivided into 100 links, used in historical US land surveying and cadastral work.
Conversion Rate: The relationship between Inch (US survey) and Chain (US survey) is 1 Inch (US survey) equals 0.0012626263 Chain (US survey).

Quick Knowledge Check

What legacy units does this converter deal with?

Inch (international) to Chain (metric)

Inch (US survey) to Chain (US survey)

Foot (US customary) to Mile (international)

What is one use of converting Inch (US survey) to Chain (US survey)?

Calculating modern building dimensions

Interpreting historical land survey data

Measuring electronic components

Which statement about these units is correct?

They are widely used in international trade.

They may cause confusion due to legacy status and differences from international units.

They are the standard units for all US construction projects.

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