What is a furlong (US survey)?

It is a historical non-SI length unit used in U.S. land surveying, defined as 660 US survey feet, equal to 1/8 of a US survey mile or 40 rods.

What is an arpent used for?

An arpent is a historical French unit of length mainly used to measure land and express parcel dimensions in regions such as Quebec and Louisiana.

Why convert furlongs to arpents?

The conversion helps translate land measurements between American and French colonial surveying traditions for legal, historical, or cadastral analysis.

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

Convert measurements from the US survey furlong, a historical unit used in U.S. land surveying, into arpents, a traditional French length used for land measurements. Learn the conversion rate and applications.

Furlong (US survey) [fur]

Arpent

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

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

Furlong (US survey) [fur]	Arpent

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

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What Is This Tool?

This unit converter transforms length measurements from the US survey furlong, a historical unit used in American surveying and land descriptions, into arpents, a traditional French unit employed primarily in cadastral contexts. It assists in interpreting and converting historical land data across different surveying traditions.

How to Use This Tool?

Enter the length value in furlong (US survey)
Select furlong (US survey) as the input unit
Choose arpent as the desired output unit
Click convert to see the equivalent measurement in arpents

Key Features

Converts furlong (US survey) to arpent using a precise conversion factor
Supports analysis of historical land records and cadastral maps
Browser-based and easy-to-use interface for quick conversions
Facilitates comparison between American and French colonial land measurements

Examples

2 furlongs (US survey) equal 6.87501375 arpents
0.5 furlong (US survey) equals 1.7187534375 arpents

Common Use Cases

Converting parcel boundaries and distances from older U.S. surveys to French colonial units
Interpreting and converting historical cadastral maps and land grant records
Analyzing and reporting traditional race distances and land measurements involving customary units

Tips & Best Practices

Understand the regional variations in arpent lengths when using conversion results
Use the defined conversion factor carefully to ensure consistency
Consider historical context to interpret measurements accurately
Cross-verify with historical records when precision is critical

Limitations

Arpent lengths varied by region and period, affecting conversion precision
Furlong (US survey) is a non-SI unit requiring contextual understanding for modern use
Conversion assumes fixed constants and may not reflect local variations in measurement definitions

Frequently Asked Questions

What is a furlong (US survey)?: It is a historical non-SI length unit used in U.S. land surveying, defined as 660 US survey feet, equal to 1/8 of a US survey mile or 40 rods.
What is an arpent used for?: An arpent is a historical French unit of length mainly used to measure land and express parcel dimensions in regions such as Quebec and Louisiana.
Why convert furlongs to arpents?: The conversion helps translate land measurements between American and French colonial surveying traditions for legal, historical, or cadastral analysis.

Key Terminology

Furlong (US survey): A historical unit of length used in U.S. surveying equal to 660 US survey feet or about 201.1684 meters.
Arpent: A historical French unit of length for land measurement, with values varying by region and period, used in France and its colonies.
Cadastral Mapping: The process of creating maps that show land ownership boundaries and parcel dimensions.

Quick Knowledge Check

What is the defined conversion rate from furlong (US survey) to arpent?

1 furlong = 2.5 arpents

1 furlong = 3.437506875 arpents

1 furlong = 4 arpents

In which regions was the arpent commonly used?

United States and Mexico

France and French colonies like Quebec and Louisiana

England and Australia

What should you consider when converting furlongs to arpents?

Whether the arpent length varies by region and time period

Only the metric equivalent of furlongs

Using only modern SI units

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