What is an arpent used for?

An arpent is a historical French unit of length used mainly for land measurement and cadastral purposes, especially in colonial Quebec and Louisiana.

What does Earth's polar radius represent?

Earth's polar radius is the distance from the Earth's center to its geographic pole along the rotation axis, defining the semi-minor axis of the Earth's reference ellipsoid.

Why convert arpent to Earth's polar radius?

Converting arpent to Earth's polar radius helps integrate historical land measurements with modern geodetic systems for mapping, GPS, and Earth science applications.

Convert Arpent to Earth's Polar Radius | Length Unit Converter

Easily convert values from arpent, a historical French length unit, to Earth's polar radius, used in geodesy and satellite mapping. Find step-by-step guidance and examples for accurate conversion.

Arpent

Earth's polar radius

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Arpent to Earth's polar radius Conversion Table

Arpent	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.

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

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What Is This Tool?

This tool allows users to convert length measurements from arpent, a historical French unit primarily used in land measurement, into Earth's polar radius, a geodetic unit representing the semi-minor axis of the Earth’s ellipsoid. It is useful for integrating historical land data with modern geodetic reference systems.

How to Use This Tool?

Enter the numeric value in arpent you want to convert.
Select arpent as the source unit and Earth's polar radius as the target unit.
Initiate the conversion by clicking the convert button.
Review the displayed result, which shows the equivalent length in Earth's polar radius.

Key Features

Converts arpent values, historically used in France and French colonies, into Earth's polar radius units.
Provides a precise conversion rate based on established geodetic references.
Includes example calculations to aid understanding.
Browser-based and easy to use with no installation required.
Supports length measurement conversions relevant to historical and modern applications.

Examples

10 Arpents = 0.0000920617 Earth's polar radius
100 Arpents = 0.0009206175 Earth's polar radius

Common Use Cases

Translating historical land lengths from French colonial cadastral records into modern geodetic units.
Mapping and interpreting historical land frontages and parcel dimensions.
Performing geodetic measurements and satellite orbit modelling.
Integrating historical length data with GPS and Earth science research.

Tips & Best Practices

Understand that arpent values can vary regionally and historically; verify context when converting.
Use this conversion primarily for scientific or specialized applications due to the small scale relative to Earth's polar radius.
Cross-check conversions with historical records for accuracy in legal and surveying projects.

Limitations

Arpent units varied by region and period, so exact values may differ and require contextual adjustments.
Earth's polar radius is a very large unit; converted values will be extremely small and not practical for everyday land measurements.

Frequently Asked Questions

What is an arpent used for?: An arpent is a historical French unit of length used mainly for land measurement and cadastral purposes, especially in colonial Quebec and Louisiana.
What does Earth's polar radius represent?: Earth's polar radius is the distance from the Earth's center to its geographic pole along the rotation axis, defining the semi-minor axis of the Earth's reference ellipsoid.
Why convert arpent to Earth's polar radius?: Converting arpent to Earth's polar radius helps integrate historical land measurements with modern geodetic systems for mapping, GPS, and Earth science applications.

Key Terminology

Arpent: A historical French length unit used primarily for land measurement, especially in colonial North America.
Earth's Polar Radius: The distance from the Earth's center to the mean geographic pole, representing the semi-minor axis of the Earth’s ellipsoid.
Cadastral Map: A map showing the boundaries and ownership of land parcels.

Quick Knowledge Check

What was the primary use of the arpent unit?

Measuring time intervals

Land measurement and cadastral purposes

Weighing agricultural produce

Earth's polar radius corresponds to which part of the Earth?

Equatorial circumference

Distance from center to geographic pole

Height above sea level

Why are arpent conversions to Earth's polar radius usually very small?

Because arpent is a larger unit

Because Earth's polar radius is a very large distance

Because conversion formulas add decimals

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