What is a Link (US survey) unit?

It is a historic unit of length equal to 1/100 of a Gunter’s chain, approximately 0.66 US survey feet or about 0.201168 meters, used in US land surveying.

Why convert Links to Earth's equatorial radius?

To relate small-scale land survey measurements to global geodetic parameters for accurate mapping, geodesy, and scientific analysis.

Can I use this conversion for modern land measurements?

The Link is an archaic unit rarely used today; this conversion is mainly for interpreting historic survey data.

How to Convert from Link (US survey) [li] to Earth's Equatorial Radius

Convert historic land surveying measurements from Link (US survey) units to the Earth's equatorial radius using our precise online tool. Understand applications in geodesy, cartography, and aerospace.

Link (US survey) [li]

Earth's equatorial radius

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

Link (US survey) [li] to Earth's equatorial radius Conversion Table

Link (US survey) [li]	Earth's equatorial radius

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 (US survey) [li] to Earth's equatorial radius Conversion Table
Link (US survey) [li]	Earth's equatorial radius

Explore More Length Units Converter

What Is This Tool?

This tool converts length measurements from the historic US survey Link unit to the Earth's equatorial radius, a fundamental geodetic measurement. It aids in interpreting legacy survey data and relates small-scale land measurements to Earth-scale geodetic references.

How to Use This Tool?

Enter the length value in Links (US survey)
Select the desired unit conversion to Earth's equatorial radius
Click convert to get the equivalent measurement in Earth's equatorial radius
Use the result for geodetic, surveying, or scientific applications

Key Features

Converts Link (US survey) units to Earth's equatorial radius accurately
Supports integration of historic land survey data with modern geospatial models
Browser-based and easy to use without requiring installations
Provides clear examples for practical understanding
Suitable for applications in geodesy, cartography, and aerospace engineering

Examples

10 Links (US survey) equals 3.1540193776388e-7 of Earth's equatorial radius
100 Links (US survey) equals 3.1540193776388e-6 of Earth's equatorial radius

Common Use Cases

Interpreting distances from historic US land survey plats and deeds
Cadastral mapping and boundary descriptions involving legacy survey data
Civil engineering projects reconciling modern measurements with older records
Defining reference ellipsoids and map projections in geodesy and cartography
Calculating satellite orbits and ground tracks in aerospace engineering
Converting coordinates for surveying, navigation, and Earth science models

Tips & Best Practices

Ensure accuracy by entering precise Link measurements when converting
Understand that Links are a small subdivision of Gunter’s chain used historically
Use converted values to integrate legacy survey data with modern Earth models
Be mindful of the scale difference and prepare for very small conversion results
Confirm the context and appropriateness of using archaic units for your project

Limitations

Conversion produces extremely small values due to scale difference
Link (US survey) is an outdated unit and may be uncommon in current use
Historical regional variations may affect the accuracy of Link measurements
Earth's equatorial radius is fixed and standardized, limiting variability
High precision handling may be required when using converted results

Frequently Asked Questions

What is a Link (US survey) unit?: It is a historic unit of length equal to 1/100 of a Gunter’s chain, approximately 0.66 US survey feet or about 0.201168 meters, used in US land surveying.
Why convert Links to Earth's equatorial radius?: To relate small-scale land survey measurements to global geodetic parameters for accurate mapping, geodesy, and scientific analysis.
Can I use this conversion for modern land measurements?: The Link is an archaic unit rarely used today; this conversion is mainly for interpreting historic survey data.

Key Terminology

Link (US survey): A historic land surveying unit equal to 1/100 of a Gunter’s chain or about 0.201168 meters.
Earth's Equatorial Radius: The straight-line distance from Earth's center to the equator measured along the equatorial plane, standardized as 6,378,137 meters.
Gunter’s Chain: A surveying chain measuring 66 US survey feet, used historically in land measurement.
Cadastral Mapping: Mapping related to boundaries and ownership of land parcels.
Geodesy: The science of measuring and representing Earth’s shape, orientation, and gravitational field.

Quick Knowledge Check

What is the Link (US survey) primarily used for?

Measuring ocean depths

Land surveying and cadastral records

Aerospace vehicle dimensions

What does Earth's equatorial radius represent?

Distance from Earth's center to pole

Distance from Earth's center to equator along equatorial plane

Distance around Earth’s equator

Why might conversions from Link to Earth's equatorial radius require care?

Because values are extremely large and rounding is critical

Due to extremely small converted values and potential historical unit inaccuracies

Because the Earth's equatorial radius changes frequently

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