What Is This Tool?
This tool allows you to convert length measurements from foot (US survey) to chain (US survey), units traditionally used in U.S. land surveying and cadastral analysis. It supports interpreting legacy land survey data for mapping, property boundaries, and GIS applications.
How to Use This Tool?
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Enter the measurement value in foot (US survey).
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Select foot (US survey) as the input unit.
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Choose chain (US survey) as the output unit.
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Click convert to see the equivalent measurement in chains.
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Use the results to interpret or update legacy survey measurements.
Key Features
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Converts foot (US survey) to chain (US survey) using established ratios.
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Supports legacy land surveying and cadastral unit conversions.
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Easy browser-based interface to update or compare measurements.
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Includes detailed unit definitions and typical use cases.
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Provides example conversions for better understanding.
Examples
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10 foot (US survey) converts to approximately 0.151515152 chain (US survey).
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100 foot (US survey) equals about 1.51515152 chain (US survey).
Common Use Cases
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Specifying property boundaries in historical land surveys.
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Interpreting distances in older U.S. cadastral records and plats.
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Converting legacy survey measurements for modern GIS mapping.
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Describing rural property boundaries and utility right-of-ways.
Tips & Best Practices
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Verify units carefully due to legacy usage of US survey foot and chain.
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Use this conversion to reconcile older survey data with current measurements.
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Be aware that modern surveys may prefer metric or international units.
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Cross-check converted data when applying to legal documentation.
Limitations
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These units are legacy and not commonly used in modern surveying.
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Original survey precision can vary, possibly affecting conversion accuracy.
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Mistaking US survey foot for international foot can lead to errors.
Frequently Asked Questions
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What is a foot (US survey)?
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The US survey foot is a unit of length historically used in land surveying, defined exactly as 1200/3937 meters, approximately 0.3048006096 meters.
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How long is a chain (US survey)?
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A US survey chain equals 66 US survey feet, approximately 20.1168 meters, historically used in land surveying and cadastral work.
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Why convert between foot and chain units?
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Converting helps interpret and relate measurements from older land surveying records for mapping, property boundaries, and legal documentation.
Key Terminology
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Foot (US survey)
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A unit of length historically used for land surveys in the U.S., defined exactly as 1200/3937 meters.
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Chain (US survey)
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A traditional unit equal to 66 US survey feet, used in land surveying and subdivided into 100 links.
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Cadastral Survey
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A survey establishing property boundaries and subdivisions of land for legal documentation.