What is a chain (US survey)?

It is a traditional length unit equal to 66 US survey feet, historically used for land surveying and subdivided into 100 links.

What does a micrometer measure?

A micrometer measures lengths at the microscale, equal to one millionth of a metre, commonly used in scientific and engineering contexts.

Why convert chain (US survey) to micrometers?

To translate large, historical land measurements into very small units suitable for detailed scientific analysis or high-resolution mapping.

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

Learn how to convert length measurements from chain (US survey) units to micrometers using this easy-to-use unit conversion tool. Understand the process and common uses for this conversion.

Chain (US survey) [ch]

Micrometer [µm]

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

Chain (US survey) [ch] to Micrometer [µm] Conversion Table

Chain (US survey) [ch]	Micrometer [µm]

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 Micrometer [µm] Conversion Table
Chain (US survey) [ch]	Micrometer [µm]

Explore More Length Units Converter

What Is This Tool?

This tool converts length values from the chain (US survey) unit, historically used in American land surveying, into micrometers, an SI-derived unit suitable for microscale measurements in scientific and engineering fields.

How to Use This Tool?

Enter the length value in chain (US survey) units into the input field
Select micrometer [µm] as the target unit
Click the convert button to see the equivalent length displayed in micrometers

Key Features

Converts chain (US survey) to micrometers quickly and accurately
Browser-based and user-friendly interface for ease of use
Supports conversions relevant to historical surveying and modern scientific analysis
Provides clear example calculations to assist understanding

Examples

2 chain (US survey) converts to 40,233,680.46736 µm
0.5 chain (US survey) converts to 10,058,420.11684 µm

Common Use Cases

Interpreting distances from historical U.S. land deeds and survey records
Converting legacy survey measurements for digital mapping and GIS applications
Translating large-scale land measurements into microscale units for precision scientific analysis

Tips & Best Practices

Verify the context of your measurement to ensure using the chain (US survey) unit is appropriate
Use the converted micrometer values when high-resolution measurement or scientific accuracy is required
Be mindful of potentially large numerical outputs when converting from this large unit to micrometers

Limitations

Chain (US survey) is an outdated unit rarely used in modern measurements
Conversion produces very large numerical values which may be impractical for many uses
Rounding and historical surveying inaccuracies may limit precision of conversions

Frequently Asked Questions

What is a chain (US survey)?: It is a traditional length unit equal to 66 US survey feet, historically used for land surveying and subdivided into 100 links.
What does a micrometer measure?: A micrometer measures lengths at the microscale, equal to one millionth of a metre, commonly used in scientific and engineering contexts.
Why convert chain (US survey) to micrometers?: To translate large, historical land measurements into very small units suitable for detailed scientific analysis or high-resolution mapping.

Key Terminology

Chain (US survey) [ch]: A historic length unit equal to 66 US survey feet, primarily used in U.S. land surveying.
Micrometer [µm]: An SI-derived unit equal to one millionth of a metre, used for measuring very small distances.
Gunter's chain: A measuring device equal in length to the US survey chain, divided into 100 links, used in cadastral surveys.

Quick Knowledge Check

What is one chain (US survey) approximately equal to in metres?

100 metres

20.1168 metres

66 metres

Which unit is used to measure dimensions at the microscale?

Micrometer [µm]

Chain (US survey) [ch]

US survey foot

Why might converting chain (US survey) to micrometers result in large numbers?

Because chain is a large unit and micrometer is very small

Because micrometer is larger than chain

Due to inaccurate conversion formulas

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