What is a rod (US survey)?

A rod (US survey), also called a pole or perch, is a length unit equal to exactly 16.5 US survey feet, traditionally used in surveying and legal property descriptions.

What does arpent measure?

An arpent is a historical French unit of length primarily used for land measurement in France and French colonies, with values that varied by region and period.

Why convert from rod (US survey) to arpent?

Conversions help interpret and reconcile historical land measurements across American and French colonial systems for accurate legal and surveying purposes.

How to Convert from Rod (US survey) [rd] to Arpent?

Convert lengths between the rod (US survey) and the arpent with ease. Understand these historical units and their usage in land measurements for accurate surveying and legal interpretations.

Rod (US survey) [rd]

Arpent

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Rod (US survey) [rd] to Arpent Conversion Table

Rod (US survey) [rd]	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.

Rod (US survey) [rd] to Arpent Conversion Table
Rod (US survey) [rd]	Arpent

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What Is This Tool?

This tool allows you to convert length measurements from rod (US survey) to arpent, units historically used in American and French colonial land surveying and property descriptions.

How to Use This Tool?

Enter the length value in rod (US survey) units.
Select 'rod (US survey)' as the from-unit and 'arpent' as the to-unit.
Click convert to see the equivalent length in arpent.
Use the result to analyze or document historical land measurements.

Key Features

Converts length units from rod (US survey) to arpent using the exact conversion factor.
Supports understanding of historical land measurement units.
Web-based and easy to use without installation.
Helpful for interpreting property boundaries in legacy records.

Examples

Converting 10 rods (US survey) gives 0.859376719 arpent.
Converting 50 rods (US survey) results in 4.296883595 arpent.

Common Use Cases

Interpreting historical land deeds and property descriptions in US and French colonial contexts.
Surveying and mapping old property boundaries in regions like Louisiana and Quebec.
Converting legacy survey measurements into modern metric or imperial units for legal and appraisal purposes.

Tips & Best Practices

Always verify the regional context as the arpent varied historically.
Consider the slight difference between US survey foot and international foot when working with precise data.
Cross-check historical records for consistency before applying conversions.

Limitations

The arpent unit has varied by region and era, so the conversion may not be exact everywhere.
The rod (US survey) depends on the US survey foot, which differs slightly from other foot measurements.
Historical land records often lack standardization, so conversions should be applied carefully with contextual understanding.

Frequently Asked Questions

What is a rod (US survey)?: A rod (US survey), also called a pole or perch, is a length unit equal to exactly 16.5 US survey feet, traditionally used in surveying and legal property descriptions.
What does arpent measure?: An arpent is a historical French unit of length primarily used for land measurement in France and French colonies, with values that varied by region and period.
Why convert from rod (US survey) to arpent?: Conversions help interpret and reconcile historical land measurements across American and French colonial systems for accurate legal and surveying purposes.

Key Terminology

Rod (US survey): A traditional surveying length unit equal to 16.5 US survey feet, used in land measurement and legal descriptions.
Arpent: A historical French unit of length for land measurement that varied by region and was used in French colonial territories.
US survey foot: A unit of length used in the United States for surveying, which slightly differs from the international foot.

Quick Knowledge Check

Which unit is exactly equal to 16.5 US survey feet?

Arpent

Rod (US survey)

Chain

In which regions was the arpent commonly used?

Quebec and Louisiana

California and Texas

Ohio and Florida

What is a key reason to convert rod (US survey) to arpent?

To estimate building heights

To interpret historical land measurements

To convert metric distances

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