What is a ken and how is it used?

A ken is a traditional Japanese length unit roughly equal to 1.818 meters, mainly used in architecture to specify bay widths and room sizes.

Why use the US survey mile instead of the international mile?

The US survey mile maintains compatibility with historical cadastral and geodetic data in the US, making it essential for certain land surveys and mapping.

Can I rely on this conversion for precise architectural measurements?

While useful for general conversion, variations in ken definitions and scale differences mean detailed architectural precision may require additional scrutiny.

How to Convert from Ken to Mile (US survey) [mi]

Convert traditional Japanese length unit ken to the US survey mile with ease. Understand applications in architecture and land surveying.

Ken

Mile (US survey) [mi]

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Ken to Mile (US survey) [mi] Conversion Table

Ken	Mile (US survey) [mi]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Ken to Mile (US survey) [mi] Conversion Table
Ken	Mile (US survey) [mi]

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What Is This Tool?

This tool converts measurements from the Japanese ken, a traditional modular unit used in architecture, to the US survey mile, a unit widely applied in surveying and mapping. It helps bridge historical Japanese building dimensions with modern surveying units.

How to Use This Tool?

Enter the length value in ken you wish to convert.
Select ken as the input unit and mile (US survey) as the output unit.
Click the convert button to get the equivalent length in US survey miles.
Review the result and use it for architectural or surveying analysis.

Key Features

Converts ken, a traditional Japanese length unit, into the US survey mile.
Supports measurements relevant to architecture, land surveying, and mapping.
Simple input and output for fast and accurate length conversions.
Ideal for interpreting historical architectural structures in modern units.

Examples

Convert 10 ken to miles: 10 ken equals about 0.013162852 US survey miles.
Convert 100 ken to miles: 100 ken equals approximately 0.13162852 US survey miles.

Common Use Cases

Translating traditional Japanese building bay widths and room sizes into modern length units.
Supporting preservation and study of historical architecture using standardized measurements.
Interpreting and converting land survey data and maps based on legacy US survey miles.
Integrating Japanese modular units into geodetic and cadastral mapping systems.

Tips & Best Practices

Verify the context of measurements when dealing with historical sources due to possible variations in ken length.
Use the conversion primarily for architectural and surveying purposes where large-scale interpretations are appropriate.
Cross-check results with domain experts for precise applications in heritage preservation or legal land descriptions.

Limitations

Ken is an approximate unit based on about 1.818 meters and can vary slightly historically.
US survey mile differs subtly from the international mile, which may impact precision depending on usage.
Conversion from architectural modular units to large survey miles may lose some detail due to scale differences.

Frequently Asked Questions

What is a ken and how is it used?: A ken is a traditional Japanese length unit roughly equal to 1.818 meters, mainly used in architecture to specify bay widths and room sizes.
Why use the US survey mile instead of the international mile?: The US survey mile maintains compatibility with historical cadastral and geodetic data in the US, making it essential for certain land surveys and mapping.
Can I rely on this conversion for precise architectural measurements?: While useful for general conversion, variations in ken definitions and scale differences mean detailed architectural precision may require additional scrutiny.

Key Terminology

Ken: A traditional Japanese unit of length equal to six shaku, used mainly in architecture to denote modular spacing between pillars.
US Survey Mile: A unit of length defined as exactly 5,280 US survey feet used in surveying and mapping in the United States.
Modular Measure: A standardized unit used in architecture and carpentry for consistent spacing and proportion layout.

Quick Knowledge Check

What traditional purpose does the ken serve?

Mapping land surveys

Defining bay widths in Japanese architecture

Legal property measurement in the US

The US survey mile is primarily used for?

Measuring architectural room dimensions

Surveying and mapping with historical US units

Measuring distances in international navigation

What is a key limitation when converting ken to US survey miles?

The units are exactly equivalent

Possible variations in the ken measurement and scale loss

Ken is more precise than the US survey mile

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