What Is This Tool?
This tool allows you to convert area units from square mile (US survey) to arpent. It is designed to help interpret and reconcile land measurements from different surveying traditions, particularly useful for historical and cadastral records.
How to Use This Tool?
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Enter the area value in square mile (US survey) in the input field.
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Select the target unit as arpent from the dropdown menu.
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Click the convert button to view the equivalent area in arpent units.
Key Features
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Converts between square mile (US survey) and arpent area units accurately.
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Supports legacy land measurement units used in U.S. Public Land Survey and French colonial regions.
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Browser-based and easy to use without any installation.
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Suitable for handling historical land grant data and GIS applications.
Examples
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1 square mile (US survey) equals approximately 757.55 arpent.
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0.5 square mile (US survey) converts to around 378.78 arpent.
Common Use Cases
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Describing land parcels in the U.S. Public Land Survey System.
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Interpreting and managing historical cadastral maps in Québec and Louisiana.
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Converting legacy GIS data involving different measurement units for accurate land management.
Tips & Best Practices
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Verify the regional definition of the arpent unit for improved conversion consistency.
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Use this tool for preliminary conversions before applying local calibrations for legal matters.
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Consult historical land survey documentation to understand unit variations in specific areas.
Limitations
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The size of an arpent varies depending on the historical and regional context.
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The US survey foot differs slightly from the international foot, which may affect results in precise applications.
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Standard conversion values are used; legal or engineering tasks may require exact local adjustments.
Frequently Asked Questions
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What is a square mile (US survey)?
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A square mile (US survey) is an area unit defined by a square with sides of one US survey mile, used primarily in United States land surveying and cadastral records.
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Where is the arpent unit commonly used?
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The arpent is a historical French unit of area commonly found in land records from France, Québec, and Louisiana.
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Why convert square miles (US survey) to arpent?
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Converting between these units helps reconcile and interpret historical land measurements, especially where American and French surveying systems overlap.
Key Terminology
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Square mile (US survey)
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An area unit equal to a square with sides of one US survey mile, used in US land surveying and cadastral records.
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Arpent
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A historical French unit of area used for land measurement, particularly in France, Québec, and Louisiana.
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US survey foot
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A unit of length slightly different from the international foot, used in US land surveying.