What Is This Tool?
This converter transforms area values from square chain, an imperial measurement used in land surveying, to are, a metric unit commonly applied in land and agricultural measurements. It helps translate historical or imperial area sizes into metric units for modern use.
How to Use This Tool?
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Enter the area value in square chain units (ch^2) that you want to convert
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Select the source unit as square chain [ch^2] and the target unit as are [a]
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Click convert to get the equivalent area expressed in are units
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Use the results to assist with land measurement, planning, or record translation
Key Features
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Converts square chain [ch^2] values into are [a] with a fixed conversion rate
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Supports interpreting imperial land measures used in property and cadastral records
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Provides metric results suitable for agricultural and land planning purposes
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Web-based and easy to use without requiring additional software
Examples
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2 ch^2 equals 8.0937128448 a (2 × 4.0468564224 a)
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5 ch^2 equals 20.234282112 a (5 × 4.0468564224 a)
Common Use Cases
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Interpreting older land deeds and cadastral documents using imperial units
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Converting parcel areas for modern agricultural planning or property management
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Translating legacy land records referencing chains into metric units for regulatory compliance
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Supporting land administration and historical map analysis
Tips & Best Practices
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Use exact conversion values to avoid discrepancies in legal or cadastral contexts
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Consider the are unit’s suitability when converting small plots or gardens
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Be aware that square chain is based on imperial measurements, so verify the unit context
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Use this tool as an intermediate step if your region primarily uses square meters or hectares
Limitations
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Square chain is less relevant in strictly metric countries
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Rounding conversion results can affect precision, important for legal or cadastral use
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Are units might be less common in some regions, requiring further conversion to other metric units
Frequently Asked Questions
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What is a square chain?
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A square chain (ch^2) is an imperial unit of area equal to a square with sides one chain long, which equals exactly 4,356 square feet.
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How is one square chain related to an acre?
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One square chain is exactly one-tenth of an acre.
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What does one are represent?
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One are (a) corresponds to 100 square meters and is used for land measurement in metric units.
Key Terminology
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Square chain [ch^2]
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An imperial unit of area equal to a square with each side measuring one chain (66 feet), equivalent to 4,356 square feet.
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Are [a]
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A metric unit of area equal to 100 square meters, commonly used for small plots and agricultural land measurements.
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Cadastral surveying
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The process of measuring and recording land parcels for ownership and property rights.