What is Earth's polar radius used for?

It defines the distance from Earth's center to the geographic poles and is used in geodetic reference ellipsoids, satellite orbit modelling, and GPS mapping.

Why convert Earth's polar radius to furlong (US survey)?

Converting to furlongs helps translate large geodetic distances into units familiar in historical U.S. land surveys and cadastral documentation.

Is the furlong (US survey) still commonly used?

No, it is mostly a historical unit now, primarily used in interpreting older land surveys and legal descriptions.

Convert Earth's Polar Radius to Furlong (US Survey) Easily

Use this online converter to quickly change measurements from Earth's polar radius to furlong (US survey), a traditional unit used in U.S. land surveying and historical maps.

Earth's polar radius

Furlong (US survey) [fur]

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

Earth's polar radius to Furlong (US survey) [fur] Conversion Table

Earth's polar radius	Furlong (US survey) [fur]

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.

Earth's polar radius to Furlong (US survey) [fur] Conversion Table
Earth's polar radius	Furlong (US survey) [fur]

Explore More Length Units Converter

What Is This Tool?

This converter changes values measured in Earth's polar radius—a geodetic parameter defining the distance from Earth's center to its poles—into furlongs (US survey), a traditional length unit used in American historical land surveys and other specialized fields.

How to Use This Tool?

Enter the value in Earth's polar radius you wish to convert
Select 'furlong (US survey)' as the target unit
Click the convert button to see the equivalent length in furlongs
Use the output to understand large geodetic distances in historical surveying terms

Key Features

Converts large geodetic lengths into traditional U.S. surveying units
Accurate translation between Earth's polar radius and furlong (US survey)
Helpful for interpreting historical land records and cadastral descriptions
Supports applications in geodesy, cartography, GPS mapping, and satellite studies

Examples

2 Earth's polar radius equals 63,198.563255 furlong (US survey)
0.5 Earth's polar radius equals 15,799.6408138 furlong (US survey)
Convert any value by multiplying it by 31,599.281627525 to get furlongs

Common Use Cases

Translating geodetic measurements into units used in US cadastral surveys
Interpreting and converting older maps, deeds, and survey records
Applying the furlong unit for traditional horse racing distances and land descriptions
Supporting satellite orbit modelling and Earth shape studies through unit conversions

Tips & Best Practices

Double-check the units selected before conversion for accuracy
Use this tool primarily for specialized scientific or historical analysis
Understand that furlongs are mostly relevant in legacy land surveying contexts
Reference conversion results to interpret historical maps or cadastral data effectively

Limitations

The furlong (US survey) is a non-SI historical unit with limited modern application
Earth's polar radius represents a very large length, so this conversion suits specialized fields
Conversions are not typically used for everyday measurements or common applications

Frequently Asked Questions

What is Earth's polar radius used for?: It defines the distance from Earth's center to the geographic poles and is used in geodetic reference ellipsoids, satellite orbit modelling, and GPS mapping.
Why convert Earth's polar radius to furlong (US survey)?: Converting to furlongs helps translate large geodetic distances into units familiar in historical U.S. land surveys and cadastral documentation.
Is the furlong (US survey) still commonly used?: No, it is mostly a historical unit now, primarily used in interpreting older land surveys and legal descriptions.

Key Terminology

Earth's Polar Radius: The distance from Earth's center to the mean geographic pole along the rotation axis, equivalent to the semi-minor axis in geodetic ellipsoids like WGS84.
Furlong (US Survey): A historical non-SI unit of length equal to 660 US survey feet, used in traditional U.S. surveying and legal land descriptions.
Geodetic Reference Ellipsoid: A mathematically defined surface approximating Earth's shape used in mapping, GPS, and satellite studies.

Quick Knowledge Check

What does Earth's polar radius measure?

Distance around the equator

Distance from Earth's center to the poles

Height from Earth's surface to atmosphere

What is a furlong (US survey) historically used for?

Describing parcel boundaries in US land surveys

Measuring depth of oceans

Calculating satellite trajectories

Why might someone convert Earth's polar radius to furlongs?

To apply it in modern everyday measurements

To interpret large geodetic distances in traditional surveying units

To measure horse racing track width

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