What Is This Tool?
This unit converter transforms area measurements from square foot (US survey), a common unit in U.S. land surveying, to square dekameter (dam²), an SI-derived metric unit useful in engineering and mapping.
How to Use This Tool?
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Enter the numeric value of area in square foot (US survey)
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Select 'square foot (US survey)' as the input unit
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Choose 'square dekameter [dam²]' as the output unit
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Click the convert button to obtain the equivalent area
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Review the result and apply it to your measurement needs
Key Features
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Converts square foot (US survey) to square dekameter quickly
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Applies the exact conversion factor for precise area translation
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Browser-based and easy to use with instant results
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Suitable for land surveying, cadastral and civil engineering work
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Supports interpretation of historical and modern measurements
Examples
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Convert 500 square foot (US survey) to square dekameter: result is 0.46451705 dam²
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Convert 1000 square foot (US survey) to square dekameter: result is 0.9290341 dam²
Common Use Cases
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Recording parcel and deed areas in U.S. cadastral and legal surveys using survey-foot units
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State plane coordinate and geodetic survey calculations requiring historic measures
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Converting historic land measurement data set in U.S. survey feet
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Measuring small agricultural plots or garden areas in metric units
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Expressing building footprints and site plans in civil engineering contexts
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Cadastral mapping and land survey documentation for minor plots
Tips & Best Practices
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Confirm you use square foot (US survey) rather than the international square foot to avoid errors
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Check that square dekameter is acceptable for your documentation or project requirements
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Use the exact conversion to maintain accuracy in legal or surveying contexts
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Consider the conversion context, especially when dealing with historic land descriptions
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Validate converted values within professional survey or engineering software
Limitations
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The US survey foot differs subtly from the international foot, impacting legal precision
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Square dekameter is less common than square meters or hectares and may be unsupported in some applications
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Users must ensure compatibility of this unit conversion with their intended documentation standards
Frequently Asked Questions
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What is a square foot (US survey)?
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It is a unit of area based on the U.S. survey foot, mainly used in U.S. land surveying and legal property descriptions, defined precisely as (1200/3937)² square meters.
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Why convert to square dekameter?
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Square dekameter offers a convenient metric measure between square meters and hectares for engineering, surveying, and agricultural uses.
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Is the square foot (US survey) the same as the international square foot?
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No, the US survey foot slightly differs from the international foot, affecting area measurements and requiring careful conversion.
Key Terminology
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Square foot (US survey)
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An area unit based on the square of the US survey foot, used for legal and cadastral purposes in the United States.
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Square dekameter (dam²)
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A metric area unit equal to a square with sides one dekameter (10 meters), equivalent to 100 square meters.
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Conversion rate
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The fixed factor used to translate one area unit value into another, here 1 square foot (US survey) = 0.0009290341 square dekameter.