What Is This Tool?
This converter transforms area values from are [a], a metric unit of 100 square meters, into arpent, an old French land measurement unit used historically in regions like France, Québec, and Louisiana.
How to Use This Tool?
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Enter the area value in are [a] that you want to convert
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Select 'are [a]' as the source unit and 'arpent' as the target unit
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Click the convert button to obtain the result in arpent
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Use the conversion factor provided to check or understand the calculation
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Apply results for interpreting land measurements in historical or regional records
Key Features
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Converts are [a] units to arpent using a defined conversion factor
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Supports land measurement conversions relevant to cadastral and historical contexts
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Facilitates interpretation of legacy land documents and colonial land grants
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Browser-based tool that is easy to use without installation
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Useful for agricultural planning, GIS, and land surveying tasks
Examples
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Converting 10 are [a]: 10 × 0.0292492343 = 0.292492343 arpent
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Converting 50 are [a]: 50 × 0.0292492343 = 1.462461715 arpent
Common Use Cases
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Measuring small plots such as gardens or allotments where standard metric units are used
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Interpreting land sizes in cadastral maps and property records especially in Québec and Louisiana
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Translating old land measurement records for use in modern surveying or GIS applications
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Supporting agricultural planning for smaller fields with legacy units
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Analyzing colonial land grants documented in arpent units
Tips & Best Practices
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Understand local or regional variations in the arpent size before precise conversions
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Use this tool for approximate conversions when handling historical or legacy land documents
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Verify measurements with official cadastral records or surveying data when accuracy is important
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Combine with modern GIS data to integrate historical property information effectively
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Be cautious when converting small areas as resulting arpent values may be very low
Limitations
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The arpent unit size varies by region making the conversion approximate
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Some historical sources use different variants of the arpent which may affect accuracy
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Conversion results for small areas may yield very small arpent values limiting practical use
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Users should confirm local definitions in critical applications to ensure correctness
Frequently Asked Questions
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What is an are [a] unit?
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An are (symbol a) is a metric unit of area equal to 100 square meters, often used for measuring small land plots or gardens.
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What regions commonly used the arpent?
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The arpent was used historically in France as well as in colonial territories such as Québec and Louisiana.
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Is the conversion from are to arpent exact?
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No, since the size of the arpent varies by region, the conversion is an approximation and may require local verification.
Key Terminology
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Are [a]
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A metric area unit equal to 100 square meters, mainly used for measuring small land areas.
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Arpent
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A historical French unit of area used in land measurement, approximately 0.34 hectares, common in colonial land grants.
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Cadastral Records
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Official documents and maps recording property boundaries and ownership used in land surveying.