What is the Earth's equatorial radius?

It is the distance from the Earth's center to the equator, based on the WGS84 ellipsoid standard of 6,378.137 kilometers.

A link is a historic English unit of length equal to 1/100 of Gunter's chain, approximately 0.201168 meters, mainly used in 18th and 19th-century land surveying.

Why convert from Earth's equatorial radius to link?

Converting helps interpret large geodetic measurements in historic surveying terms, aiding cadastral research and historical land record analysis.

Is the link unit still used today?

No, the link is considered obsolete and primarily appears in historical surveying contexts and old land documents.

How to Convert from Earth's Equatorial Radius to Link [li]

Easily convert measurements from Earth's equatorial radius, a modern geodetic unit, to the historic link (li) unit used in old survey records. Learn key features, use cases, and step-by-step instructions.

Earth's equatorial radius

Link [li]

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Earth's equatorial radius to Link [li] Conversion Table

Earth's equatorial radius	Link [li]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

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Earth's equatorial radius to Link [li] Conversion Table
Earth's equatorial radius	Link [li]

Explore More Length Units Converter

What Is This Tool?

This converter transforms length measurements from Earth's equatorial radius, the standard geodetic distance from Earth's center to the equator, into the historic English unit called link (li). The link is traditionally used in surveying and cadastral records.

How to Use This Tool?

Enter the value in Earth's equatorial radius you want to convert.
Select Earth's equatorial radius as the input unit and link [li] as the output unit.
Click the convert button to get the equivalent measurement in links.
Review the result and use it for geodetic or historical surveying purposes.

Key Features

Supports conversion between Earth's equatorial radius and link (li) units.
Uses the established conversion rate: 1 Earth's equatorial radius equals 31,705,639.067844 links.
Ideal for geodesy, cartography, and historical land record analysis.
Browser-based and user-friendly interface for quick conversions.

Examples

1 Earth's equatorial radius equals 31,705,639.067844 link [li].
0.5 Earth's equatorial radius equals 15,852,819.533922 link [li].

Common Use Cases

Defining geodetic reference ellipsoids and map projections.
Analyzing satellite orbits and aerospace ground tracks.
Converting modern geodetic distances into historical surveying units for cadastral research.
Interpreting land measurement data in old deeds and boundary records.

Tips & Best Practices

Always verify the input values for accuracy before conversion.
Use the tool to bridge modern and historical measurement systems when handling land records.
Remember that the link is an obsolete unit, so consider the context of use carefully.
Cross-check converted results when precision is critical, especially in surveying applications.

Limitations

The link (li) is a non-SI, historic unit, limiting its relevance in contemporary engineering.
Potential rounding differences may affect precision in conversions.
Definitions of the link have varied historically, which can cause inconsistencies.
This tool does not convert to or from units other than Earth's equatorial radius and link.

Frequently Asked Questions

What is the Earth's equatorial radius?: It is the distance from the Earth's center to the equator, based on the WGS84 ellipsoid standard of 6,378.137 kilometers.
What is a link (li)?: A link is a historic English unit of length equal to 1/100 of Gunter's chain, approximately 0.201168 meters, mainly used in 18th and 19th-century land surveying.
Why convert from Earth's equatorial radius to link?: Converting helps interpret large geodetic measurements in historic surveying terms, aiding cadastral research and historical land record analysis.
Is the link unit still used today?: No, the link is considered obsolete and primarily appears in historical surveying contexts and old land documents.

Key Terminology

Earth's Equatorial Radius: The straight-line distance from Earth's center to the equator, defined as 6,378.137 kilometers according to the WGS84 ellipsoid.
Link (li): A historic English length unit equal to 1/100 of Gunter's chain, approximately 0.201168 meters, used mainly in old surveying and cadastral records.
Conversion Rate: The fixed numerical factor of 31,705,639.067844, representing how many links equal one Earth's equatorial radius.

Quick Knowledge Check

What unit does this tool convert from?

Link (li)

Earth's equatorial radius

Feet

The link (li) is a unit mainly used in which context?

Modern aerospace engineering

Historical land surveying

Contemporary mapping

What is the approximate conversion rate from Earth's equatorial radius to link?

31,705,639.067844 links

6,378,137 links

100 links

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