What is a link (li) unit?

A link is a historic English surveying unit equal to 1/100 of Gunter's chain, mainly used in 18th–19th century land measurement.

What does chain (US survey) [ch] represent?

Chain (US survey) is a traditional length unit equal to 66 US survey feet (one Gunter's chain), used in historical U.S. land cadastral surveys.

Why convert from link to chain units?

Converting helps interpret and map historical survey data more commonly recorded in chains for legal land descriptions.

Is the link unit still in use today?

No, the link is mostly a historic unit and seldom used in modern measurements.

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

Learn how to convert measurements from the historic link unit (li) to the US survey chain (ch) used in traditional land surveying and cadastral mapping.

Link [li]

Chain (US survey) [ch]

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

Link [li] to Chain (US survey) [ch] Conversion Table

Link [li]	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.

Link [li] to Chain (US survey) [ch] Conversion Table
Link [li]	Chain (US survey) [ch]

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What Is This Tool?

This converter helps transform lengths measured in links (li), a historic surveying unit, into chains (US survey) (ch), a traditional unit used in U.S. land surveying. It facilitates interpreting old land measurement data accurately.

How to Use This Tool?

Enter the length value in links (li) you want to convert
Select the 'link [li]' as the input unit
Choose 'chain (US survey) [ch]' as the target unit
Click the convert button to get the equivalent length in chains
Use the output to analyze or map historic land records

Key Features

Converts lengths from link [li] to chain (US survey) [ch] precisely
Supports historic surveying and cadastral measurement conversions
Easy-to-use interface for entering values and converting
Browser-based tool accessible without installation
Ideal for interpreting and mapping legacy land survey data

Examples

Convert 50 links: 50 × 0.00999998 = 0.499999 chains (US survey)
Convert 100 links: 100 × 0.00999998 = 0.999998 chains (US survey)

Common Use Cases

Surveying with Gunter's chain for historical land measurement
Interpreting distances in old land deeds and cadastral documents
Reconstructing historical property boundaries and maps
Converting legacy survey data to modern mapping units for GIS
Documenting land boundaries in rural property and right-of-way surveys

Tips & Best Practices

Verify historic measurement context when converting units
Cross-check conversions when integrating with modern data
Use the tool for educational and land research purposes
Consider surveying standards and foot definitions in historic records
Refer to cadastral survey documents to confirm unit usage

Limitations

Link is a historic unit rarely used today
Differences in foot definitions can cause small errors
Care is needed when merging historical data with modern measurements

Frequently Asked Questions

What is a link (li) unit?: A link is a historic English surveying unit equal to 1/100 of Gunter's chain, mainly used in 18th–19th century land measurement.
What does chain (US survey) [ch] represent?: Chain (US survey) is a traditional length unit equal to 66 US survey feet (one Gunter's chain), used in historical U.S. land cadastral surveys.
Why convert from link to chain units?: Converting helps interpret and map historical survey data more commonly recorded in chains for legal land descriptions.
Is the link unit still in use today?: No, the link is mostly a historic unit and seldom used in modern measurements.

Key Terminology

Link (li): A historic survey unit equal to 1/100 of a Gunter's chain, used mainly in 18th and 19th century land measurements.
Chain (US survey) (ch): A traditional length unit equal to 66 US survey feet, commonly used in historical U.S. cadastral surveys.
Gunter's chain: A measuring device used historically in land surveying, composed of 100 links, defining the link and chain units.
Cadastral survey: A survey focused on defining land ownership boundaries and property records.

Quick Knowledge Check

What is the link (li) primarily used for?

Modern construction measurements

Historic surveying and land measurement

Measuring fabric lengths

One chain (US survey) equals how many US survey feet?

100 feet

66 feet

50 feet

Which scenario requires converting link to chain units?

Interpreting old cadastral land records

Estimating car travel distance

Designing clothing patterns

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