What is a link (li) in measurement terms?

A link is a historic English unit of length used in surveying, equal to 1/100 of Gunter's chain and approximately 0.201168 meters.

Why convert links to millimeters?

Converting links to millimeters helps translate old surveying data into precise metric measurements for modern engineering and mapping.

Is the link unit still used today?

No, the link is mainly encountered in historical contexts and old land measurement records, not in current practice.

How to Convert from Link [li] to Millimeter [mm]

Learn how to convert lengths from the historic link unit (li) to modern millimeters (mm). This tool helps translate old surveying measurements into precise metric values.

Link [li]

Millimeter [mm]

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Link [li] to Millimeter [mm] Conversion Table

Link [li]	Millimeter [mm]

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 Millimeter [mm] Conversion Table
Link [li]	Millimeter [mm]

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What Is This Tool?

This unit converter facilitates the transformation of length values measured in the historic English link (li) into millimeters (mm), an SI unit. It is especially useful for converting 18th–19th century land survey data into contemporary metric units for clarity and accuracy.

How to Use This Tool?

Enter the length value in links [li] that you wish to convert.
Select 'link [li]' as the input unit and 'millimeter [mm]' as the output unit if required.
Press the convert button to obtain the equivalent length in millimeters.
Use the result to interpret or document measurements in modern metric terms.

Key Features

Converts the historic link (li), used in old surveying records, into millimeters (mm).
Provides a user-friendly way to translate legacy measurements into modern metric units.
Supports understanding and reconstructing historical property boundaries.
Browser-based tool requiring no installation.
Helps integrate old land measurement data with current engineering and mapping standards.

Examples

Convert 5 links: 5 × 201.168 = 1005.84 millimeters.
Convert 0.5 link: 0.5 × 201.168 = 100.584 millimeters.

Common Use Cases

Interpreting historic land survey data recorded in links for modern engineering purposes.
Reconstructing property boundaries from 18th–19th century cadastral documents.
Supporting historical research and archaeology involving old English length units.
Applying precise metric measurements for design and documentation in engineering.

Tips & Best Practices

Ensure correct identification of the original measurement context when working with links.
Use the tool to avoid manual calculation errors when converting legacy units.
Double-check conversions when handling large numbers of links to minimize rounding effects.
Combine this conversion with modern surveying tools for accurate historical data integration.

Limitations

The link is a historical measurement rarely used in current practice.
Accuracy depends on proper understanding of the legacy measurement context.
Small rounding differences can occur when converting very large quantities of links to millimeters.

Frequently Asked Questions

What is a link (li) in measurement terms?: A link is a historic English unit of length used in surveying, equal to 1/100 of Gunter's chain and approximately 0.201168 meters.
Why convert links to millimeters?: Converting links to millimeters helps translate old surveying data into precise metric measurements for modern engineering and mapping.
Is the link unit still used today?: No, the link is mainly encountered in historical contexts and old land measurement records, not in current practice.

Key Terminology

Link [li]: A historic English length unit used in surveying, equal to 1/100 of Gunter's chain or approximately 0.201168 meters.
Millimeter [mm]: An SI derived unit of length equal to one thousandth of a meter, used to measure small distances with precision.
Gunter's chain: A measuring device historically used in land surveying; a link is defined as one hundredth of this chain.

Quick Knowledge Check

What does one link (li) equal in millimeters?

100.584 mm

201.168 mm

1,005.84 mm

In which context is the link unit primarily used?

Modern construction

Historical land surveying

3D printing

Why is converting links to millimeters useful?

To measure large distances in miles

To translate historic measurements into metric units

To specify thickness of metals

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