What is a link (li) unit?

A link is a historic English length unit used in surveying, equal to 0.66 feet or 0.201168 metres, mainly encountered in 18th-19th century land records.

What is a petameter (Pm)?

A petameter is an SI length unit equal to 10^15 metres, used for describing extremely large distances such as astronomical scales.

Why convert from link to petameter?

Converting from link to petameter allows translation of small, historical land measurements into a scale suitable for astrophysical or cosmological analysis.

How to Convert from Link [li] to Petameter [Pm]

Learn how to convert the historic length unit link (li) used in surveying into the extremely large SI unit petameter (Pm). This guide covers definitions, use cases, examples, and practical tips for conversion.

Link [li]

Petameter [Pm]

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Link [li] to Petameter [Pm] Conversion Table

Link [li]	Petameter [Pm]

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Start Value

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Link [li] to Petameter [Pm] Conversion Table
Link [li]	Petameter [Pm]

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What Is This Tool?

This unit converter tool transforms measurements from the link, a historic English surveying length unit, into petameters, a vast SI distance scale used primarily in astronomy and astrophysics. It enables users to bridge the gap between very small historical land units and enormous cosmic distances.

How to Use This Tool?

Enter the length value measured in links (li).
Select the source unit as "link [li]" and the target unit as "petameter [Pm]".
Click convert to see the equivalent distance in petameters.
Use the results to interpret measurements for scientific or historical analysis.

Key Features

Converts link (li), a historical measurement equal to 0.201168 metres, into petameter (Pm), an SI unit equal to 10^15 metres.
Ideal for translating old cadastral distances into astrophysical scales.
Easy-to-use interface suitable for scientific and historical research.
Provides example conversions such as 10 and 1000 links.
Useful for cross-disciplinary comparison of length scales.

Examples

Convert 10 links: 10 × 2.01168e-16 Pm = 2.01168e-15 Pm.
Convert 1000 links: 1000 × 2.01168e-16 Pm = 2.01168e-13 Pm.

Common Use Cases

Surveying with Gunter's chain for historical land measurement records.
Interpreting distances in old deeds and cadastral documents.
Reconstructing historical property boundaries for land records.
Expressing astronomical distances between nearby stars or small interstellar structures.
Reporting large-scale engineering or observational distances in astronomy.

Tips & Best Practices

Ensure measurements are accurately recorded in links before conversion.
Use this conversion mainly for academic or scientific contexts due to the scale differences.
Cross-verify converted values for precision when interpreting historical or astrophysical data.
Apply the conversion for comparative studies involving terrestrial and cosmic length scales.

Limitations

The link is a historic and obsolete unit rarely used in modern measurements.
Petameter measurements represent extremely large distances, not suitable for most terrestrial applications.
Conversion is primarily theoretical or academic with limited practical everyday use.

Frequently Asked Questions

What is a link (li) unit?: A link is a historic English length unit used in surveying, equal to 0.66 feet or 0.201168 metres, mainly encountered in 18th-19th century land records.
What is a petameter (Pm)?: A petameter is an SI length unit equal to 10^15 metres, used for describing extremely large distances such as astronomical scales.
Why convert from link to petameter?: Converting from link to petameter allows translation of small, historical land measurements into a scale suitable for astrophysical or cosmological analysis.

Key Terminology

Link [li]: A historic English unit of length, equal to 1/100 of Gunter's chain or 0.201168 metres, used in 18th-19th century surveying.
Petameter [Pm]: An SI unit of length equal to 10^15 metres, used mostly for measuring vast astronomical distances.
Gunter's chain: A historic surveying tool divided into 100 links each measuring a link (li).

Quick Knowledge Check

What does one link approximately equal?

0.201168 metres

10^15 metres

1 foot

What is the significance of the petameter unit?

Used for small land surveys

Represents extremely large astronomical distances

Common in daily measurements

In which fields is this link to petameter conversion typically used?

Historical land surveying and astrophysics

Cooking and baking

Automotive engineering

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