What Is This Tool?
This tool converts length measurements from the US survey foot, a unit historically used in American land surveying, to the ken, a traditional Japanese unit applied in architecture. It assists in bridging measurement standards between American survey data and Japanese architectural dimensions.
How to Use This Tool?
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Input the value in foot (US survey) you want to convert
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Select foot (US survey) as the source unit and ken as the target unit
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Initiate the conversion to see the measurement in ken
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Use the results to assist in compatible architectural or surveying projects
Key Features
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Converts measurements from foot (US survey) to ken with a defined conversion factor
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Supports cross-cultural architectural and surveying applications
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User-friendly interface suitable for professionals in engineering, surveying, and restoration
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Provides illustrative examples to clarify unit translation
Examples
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10 feet (US survey) equals approximately 1.438851799 ken
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50 feet (US survey) equals approximately 7.194258995 ken
Common Use Cases
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Translating American survey-based land measurements into Japanese traditional units
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Applying traditional ken measurements in Japanese architectural restoration and design
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Comparing and adapting building dimensions between US and Japanese construction projects
Tips & Best Practices
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Verify which foot standard is referenced in your source data to ensure correct conversion
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Use this conversion primarily for general architectural and surveying purposes rather than precision scientific calculations
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Understand the cultural context of the ken when working on traditional Japanese building plans
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Adjust for slight variations if accuracy is critical, due to unit standard differences
Limitations
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The foot (US survey) is slightly longer than the international foot, which may affect precise conversions
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The ken's length may vary depending on the shaku length accepted, influencing exact measurements
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May require manual adjustments when used for high-precision tasks due to rounding and standard differences
Frequently Asked Questions
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What is the foot (US survey) used for?
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It is primarily used in US land surveying, mapping, and specifying property boundaries, as well as in engineering projects aligned with older survey data.
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How is the ken used in Japanese architecture?
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Ken functions as a modular unit indicating the spacing between structural pillars and is used for defining room sizes and building proportions in traditional Japanese structures.
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Can this converter be used for high-precision measurements?
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Due to slight differences in unit standards and rounding, it is best suited for general conversion needs rather than extremely precise measurements.
Key Terminology
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Foot (US survey)
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A unit of length traditionally used in US land surveying, defined exactly as 1200/3937 meters.
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Ken
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A traditional Japanese length unit equal to six shaku, standardized approximately as 1.818 meters, used in architectural measurements.
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Shaku
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A Japanese unit of length approximately equal to 0.30303 meters, serving as the base measure for the ken.