What exactly is a pole in length measurement?

A pole, also known as a rod or perch, is a traditional English length unit equal to 16.5 feet or 5.0292 meters, used historically for surveying and land measurement.

Why convert poles to Earth's polar radius?

Converting poles to Earth's polar radius helps integrate traditional land measures with global geodetic systems used in mapping and Earth sciences.

Is this conversion commonly used in practice?

This conversion is primarily theoretical or academic since direct practical use of poles relative to Earth's polar radius is uncommon.

How to Convert from Pole to Earth's Polar Radius

Learn to convert length measurements from the pole (a traditional English unit) to Earth's polar radius, enabling integration of historical land measures with modern geodetic scales.

Pole

Earth's polar radius

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

Pole to Earth's polar radius Conversion Table

Pole	Earth's polar 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.

Pole to Earth's polar radius Conversion Table
Pole	Earth's polar radius

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What Is This Tool?

This converter transforms length values measured in poles, a traditional surveying unit, into the Earth's polar radius. It helps relate historic land measurements to modern geodetic reference standards used in mapping and Earth sciences.

How to Use This Tool?

Enter the length value measured in poles
Select pole as the input unit and Earth's polar radius as the output unit
Trigger the conversion to obtain the equivalent value in Earth's polar radius
Interpret the result to relate traditional land measurements to geodetic scales

Key Features

Converts the pole unit (16.5 feet or 5.0292 meters) to Earth's polar radius
Supports integration of historical surveying data with global geodetic systems
Provides conversion based on the WGS84 ellipsoid's polar radius value
Enables usage in geodesy, cartography, satellite modelling, and GIS applications

Examples

10 Poles equals 7.9115564381133e-6 Earth's polar radius
100 Poles equals 7.9115564381133e-5 Earth's polar radius
Conversion uses the formula: 1 Pole = 7.9115564381133e-7 × Earth's polar radius

Common Use Cases

Interpreting distances and boundaries stated in old British property deeds
Updating cadastral records by converting rods/poles into modern units
Supporting civil engineering and land development projects with historical data
Integrating land measurement data into satellite-based Earth observation analyses

Tips & Best Practices

Verify regional variations in the definition of the pole when converting historical data
Use scientific notation to represent very small converted values clearly
Combine this conversion with modern geodetic parameters for accurate map projections
Understand that this conversion is mainly theoretical for academic or historical interpretation

Limitations

The pole is very small compared to Earth's polar radius, yielding tiny output values
Regional differences in the pole’s historical length may cause slight inaccuracies
Practical application of this conversion is rare outside academic or geodetic contexts

Frequently Asked Questions

What exactly is a pole in length measurement?: A pole, also known as a rod or perch, is a traditional English length unit equal to 16.5 feet or 5.0292 meters, used historically for surveying and land measurement.
Why convert poles to Earth's polar radius?: Converting poles to Earth's polar radius helps integrate traditional land measures with global geodetic systems used in mapping and Earth sciences.
Is this conversion commonly used in practice?: This conversion is primarily theoretical or academic since direct practical use of poles relative to Earth's polar radius is uncommon.

Key Terminology

Pole: A traditional English unit of length equal to 16.5 feet or 5.0292 metres, used historically in surveying and land measurement.
Earth's Polar Radius: The distance from Earth's center to the mean geographic pole, representing the semi-minor axis of the reference ellipsoid.
WGS84: A widely used geodetic reference ellipsoid defining Earth's shape parameters including the polar radius.

Quick Knowledge Check

What is the length of one pole in meters?

5.0292 meters

16.5 meters

6,356,752.314245 meters

What does Earth's polar radius represent?

Distance from equator to pole

Distance from Earth's center to geographic pole

Length of the pole unit

Why might converted values from poles to Earth's polar radius be very small?

Because the pole is much smaller than Earth's polar radius

Because the polar radius is smaller than pole

Due to measurement errors

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