What is a furlong (US survey)?

A furlong (US survey) is a historical unit of length used in U.S. surveying, defined as exactly 660 US survey feet, which is approximately 201.1684 meters.

What does Earth's equatorial radius represent?

Earth's equatorial radius is the distance from the Earth's center to the equator measured along the equatorial plane, standardized as 6,378,137 meters in the WGS84 ellipsoid.

Why convert furlongs to Earth's equatorial radius?

Converting furlongs to Earth's equatorial radius helps relate traditional land measure units to planetary-scale dimensions for geodesy, mapping, navigation, and scientific studies.

How to Convert from Furlong (US survey) [fur] to Earth's Equatorial Radius

Easily convert length values from furlong (US survey) to Earth's equatorial radius using this online unit converter. Ideal for geodesy, surveying, and scientific applications.

Furlong (US survey) [fur]

Earth's equatorial radius

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

Furlong (US survey) [fur]	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.

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

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What Is This Tool?

This converter allows you to translate measurements from the historical US survey furlong to the Earth's equatorial radius, a standard geodetic dimension. It's useful for relating traditional land measurement units to planetary-scale distances.

How to Use This Tool?

Enter the value in furlong (US survey) to be converted
Select furlong (US survey) as the from-unit and Earth's equatorial radius as the to-unit
Click the convert button to see the equivalent value in Earth's equatorial radius
Use the result for applications in mapping, navigation, or scientific modeling

Key Features

Converts length from furlong (US survey) to Earth's equatorial radius
Uses a precise conversion based on established geodetic constants
Supports applications in surveying, geodesy, and aerospace engineering
Easy to operate through a simple input and output interface
Browser-based and accessible on various devices

Examples

5 furlongs (US survey) equal 0.000157701 Earth's equatorial radius
10 furlongs (US survey) equal 0.000315402 Earth's equatorial radius

Common Use Cases

Interpreting and converting historical surveying measurements for modern mapping
Defining reference ellipsoids and map projections in geodesy and cartography
Calculating satellite ground tracks and orbital parameters in aerospace engineering
Converting old land deed measurements to modern geodetic units
Supporting Earth science models requiring geodetic coordinate transformations

Tips & Best Practices

Verify the historical context of furlong measurements before conversion
Use the conversion primarily for reference or scientific purposes rather than everyday measurements
Ensure consistent units when integrating with other geodetic or mapping data
Apply this conversion in fields like surveying and aerospace for precise coordinate calculations

Limitations

The furlong (US survey) is a historical and non-SI unit with limited modern use
Earth's equatorial radius is a fixed geodetic constant, making this conversion mostly for reference
Not intended for daily measurement conversions due to niche scientific context

Frequently Asked Questions

What is a furlong (US survey)?: A furlong (US survey) is a historical unit of length used in U.S. surveying, defined as exactly 660 US survey feet, which is approximately 201.1684 meters.
What does Earth's equatorial radius represent?: Earth's equatorial radius is the distance from the Earth's center to the equator measured along the equatorial plane, standardized as 6,378,137 meters in the WGS84 ellipsoid.
Why convert furlongs to Earth's equatorial radius?: Converting furlongs to Earth's equatorial radius helps relate traditional land measure units to planetary-scale dimensions for geodesy, mapping, navigation, and scientific studies.

Key Terminology

Furlong (US survey): A historical unit of length used in U.S. surveying equal to 660 US survey feet or approximately 201.1684 meters.
Earth's Equatorial Radius: The distance from the Earth's center to the equator measured along the equatorial plane, standardized at 6,378,137 meters in geodesy.
Geodesy: The science of measuring and understanding the Earth's geometric shape, orientation in space, and gravity field.

Quick Knowledge Check

What is the approximate length of one furlong (US survey)?

660 meters

201.1684 meters

1,000 meters

Which field commonly uses Earth's equatorial radius in calculations?

Cooking

Aerospace engineering

Graphic design

What is the main use of converting furlong (US survey) to Earth's equatorial radius?

Everyday distance conversions

Geodetic and scientific modeling

Sports timing

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