What Is This Tool?
This unit converter allows users to change length measurements from perch, a traditional land measurement unit, to link (US survey), a smaller subdivision of the US survey chain. It is useful for interpreting historical surveying documents and cadastral records.
How to Use This Tool?
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Enter the length value in perch units
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Select perch as the input unit and link (US survey) [li] as the output unit
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Click the convert button to obtain the result in links
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Use the output for interpreting historical surveying or land measurement data
Key Features
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Converts historical length measurements from perch to link (US survey) [li]
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Supports land surveying and cadastral mapping contexts
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Browser-based and easy to use without installation
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Provides precise translation of old survey data for modern applications
Examples
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Convert 2 perch to link (US survey): 2 × 24.99995 = 49.9999 link (US survey)
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Convert 0.5 perch to link (US survey): 0.5 × 24.99995 = 12.499975 link (US survey)
Common Use Cases
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Interpreting dimensions in older property deeds and boundary descriptions
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Translating historical survey maps or records into modern units
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Cadastral mapping involving legacy U.S. survey data
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Civil engineering and land transfer projects requiring unit reconciliation
Tips & Best Practices
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Verify the original measurement context before conversion
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Use this conversion mainly for historical and cadastral research
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Cross-check results with local standards when used for legal matters
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Consider the limitations of older units when integrating with modern data
Limitations
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Both perch and link are historical units with slight variations in definition
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Modern surveying rarely uses these units
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Conversions might not precisely align with current standards
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Legal or technical contexts require careful verification of unit definitions
Frequently Asked Questions
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What is a perch in land measurement?
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A perch is a historical unit of length equal to 16.5 feet (5.0292 metres), mostly used in old surveying and land records.
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How many links equal one perch?
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One perch equals approximately 24.99995 link (US survey) units.
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Why convert from perch to link (US survey)?
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Converting perch to link allows more granular interpretation of historic distances in US land surveying and cadastral documents.
Key Terminology
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Perch
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An old unit of length equal to 16.5 feet, mainly used in historical land surveying.
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Link (US survey) [li]
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A subdivision of the US survey chain, equal to 0.66 US survey feet, used for fine land measurements.
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Cadastral Mapping
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The process of creating maps that show property boundaries and land ownership.