What is the difference between furlong [fur] and furlong (US survey) [fur]?

Furlong [fur] is an imperial unit defined as exactly 201.168 metres, while furlong (US survey) [fur] is a historical US surveying unit equal to approximately 201.1684 metres, with a slight variance important in land measurement.

Why do I need to convert between these furlong units?

Conversion helps reconcile differences in historical land measurement references and ensures accuracy when interpreting or transferring data between British imperial and US customary units.

Is the US survey furlong still commonly used today?

No, the US survey furlong is a non-SI unit that is less commonly used currently; modern surveys typically prefer metric units.

How to Convert from Furlong [fur] to Furlong (US survey) [fur]

Learn how to convert length measurements from furlong [fur] to furlong (US survey) [fur] using this straightforward unit converter, essential for land surveying, historical research, and horse racing distances.

Furlong [fur]

Furlong (US survey) [fur]

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Furlong [fur] to Furlong (US survey) [fur] Conversion Table

Furlong [fur]	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.

Furlong [fur] to Furlong (US survey) [fur] Conversion Table
Furlong [fur]	Furlong (US survey) [fur]

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What Is This Tool?

This online unit converter allows you to transform measurements from the imperial furlong (fur) to the US survey furlong (fur), both traditional length units used in various contexts such as land surveying, historical research, and sports.

How to Use This Tool?

Enter the length value in furlong [fur]
Select the target unit as furlong (US survey) [fur]
Click the convert button to get the equivalent measurement
View the conversion result and apply it to your specific use case

Key Features

Converts between furlong [fur] and furlong (US survey) [fur] accurately
Browser-based and easy to use without installation
Supports applications in surveying, historical mapping, and horse racing
Provides conversion insight between British imperial and US customary units

Examples

5 furlongs [fur] equals approximately 4.99999 furlong (US survey) [fur]
10 furlongs [fur] converts to about 9.99998 furlong (US survey) [fur]

Common Use Cases

Interpreting and converting historical land surveys and property deeds
Reconciling race distances in horse racing and sporting events
Analyzing cadastral maps and legal land boundary descriptions
Translating older British measurements into US customary units for consistency

Tips & Best Practices

Confirm which furlong variant is referenced to avoid measurement mistakes
Use this converter to bridge differences between imperial and US survey units
Apply conversion carefully when working with precise legal or land boundary data
Remember that the US survey furlong is a non-SI unit and may be less common in modern contexts

Limitations

Small differences between furlong units can affect precise land measurements
The US survey furlong is not widely used today outside specific historical or surveying contexts
Avoid confusion by specifying the furlong type to prevent errors during conversions

Frequently Asked Questions

What is the difference between furlong [fur] and furlong (US survey) [fur]?: Furlong [fur] is an imperial unit defined as exactly 201.168 metres, while furlong (US survey) [fur] is a historical US surveying unit equal to approximately 201.1684 metres, with a slight variance important in land measurement.
Why do I need to convert between these furlong units?: Conversion helps reconcile differences in historical land measurement references and ensures accuracy when interpreting or transferring data between British imperial and US customary units.
Is the US survey furlong still commonly used today?: No, the US survey furlong is a non-SI unit that is less commonly used currently; modern surveys typically prefer metric units.

Key Terminology

Furlong [fur]: An imperial length unit equal to 220 yards or 201.168 metres, historically used for measuring race and land distances.
Furlong (US survey) [fur]: A historical US surveying length unit equal to 660 US survey feet or about 201.1684 metres, used in cadastral surveying and legal land descriptions.

Quick Knowledge Check

What type of unit is the furlong (US survey)?

A metric unit

A historical US surveying unit

A scientific SI unit

In which context is conversion between furlong [fur] and furlong (US survey) [fur] important?

Modern engineering design

Historical land surveying and cadastral mapping

Everyday cooking measurements

What is a key consideration when converting between these furlong units?

They have vastly different lengths

Small differences can affect precise legal land measurements

Conversion always results in whole numbers

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