What is a chain (US survey)?

It is a traditional length unit equal to 66 US survey feet, historically used in U.S. land surveying and divided into 100 links.

How many kilometers are in one chain (US survey)?

One chain (US survey) equals approximately 0.0201168402 kilometers.

Where is this conversion commonly applied?

In land surveying, cadastral mapping, GIS, civil engineering, and interpreting historic survey data.

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

Easily convert lengths from the US survey chain (ch) unit to kilometers (km) with our quick and accurate online conversion tool.

Chain (US survey) [ch]

Kilometer [km]

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

Chain (US survey) [ch] to Kilometer [km] Conversion Table

Chain (US survey) [ch]	Kilometer [km]

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 Kilometer [km] Conversion Table
Chain (US survey) [ch]	Kilometer [km]

Explore More Length Units Converter

What Is This Tool?

This tool converts length measurements from the US survey chain, a traditional unit used primarily in historical U.S. land surveying, into kilometers, the standard metric unit for measuring distance.

How to Use This Tool?

Enter the value in chain (US survey) units that you want to convert.
Select chain (US survey) as the original unit and kilometer as the target unit.
Click the convert button to see the equivalent distance in kilometers.

Key Features

Converts chain (US survey) units to kilometers using a defined conversion rate.
Supports land surveying and cadastral measurement translations.
Browser-based and straightforward to use with no installation required.

Examples

5 chain (US survey) = 0.100584201 kilometers
10 chain (US survey) = 0.201168402 kilometers

Common Use Cases

Interpreting distances in historical U.S. land deeds and property surveys.
Converting old survey measurements to metric units for GIS and mapping.
Describing rural property boundaries or right-of-way distances in modern terms.

Tips & Best Practices

Verify the definition of the survey foot used when converting to ensure accuracy.
Use this conversion primarily for land survey and cadastral data translations.
Combine this tool with mapping and GIS software for comprehensive geographic analysis.

Limitations

The chain (US survey) is an older unit with limited regional use today.
Conversion accuracy may vary slightly due to differences between survey foot and international foot standards.

Frequently Asked Questions

What is a chain (US survey)?: It is a traditional length unit equal to 66 US survey feet, historically used in U.S. land surveying and divided into 100 links.
How many kilometers are in one chain (US survey)?: One chain (US survey) equals approximately 0.0201168402 kilometers.
Where is this conversion commonly applied?: In land surveying, cadastral mapping, GIS, civil engineering, and interpreting historic survey data.

Key Terminology

Chain (US survey): A traditional unit of length equal to 66 US survey feet, historically used in U.S. land surveying and cadastral work.
Kilometer: An SI derived unit equal to 1,000 meters, used to measure distances at regional and geographic scales.
US survey foot: A unit of length used in the US survey system, which slightly differs from the international foot.

Quick Knowledge Check

What is the approximate length of one chain (US survey) in meters?

Approximately 20.1168 meters

Exactly 100 meters

Roughly 15 meters

Which unit is the chain (US survey) commonly converted into?

Kilometer

Mile

Inch

For which purpose is the chain (US survey) mainly used?

Land surveying

Cooking measurements

Clothing sizes

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