What is a ken used for?

Ken is a traditional Japanese length unit used mainly to specify bay widths in architecture and to describe room or tatami dimensions.

What contexts use the pole measurement?

The pole, also known as rod or perch, is used historically in British surveying, cadastral mapping, and agricultural contexts.

How do I convert ken to pole?

The conversion uses the formula: 1 Ken equals approximately 0.4212121212 Pole.

How to Convert from Ken to Pole?

Easily convert length measurements from the traditional Japanese unit ken to the English unit pole with this online converter. Useful for architectural, surveying, and historical measurement needs.

Ken

Pole

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Ken to Pole Conversion Table

Ken	Pole

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 Pole Conversion Table
Ken	Pole

Explore More Length Units Converter

What Is This Tool?

This converter transforms length measurements from ken, a traditional Japanese unit used primarily in architecture, into pole, an English unit historically used in surveying and land measurement. It helps bridge cultural and measurement differences for various practical applications.

How to Use This Tool?

Enter the measurement value in ken units into the input field
Select ken as the starting unit and pole as the target unit
Click the convert button to see the equivalent length in poles
Review the output to assist with your architectural or surveying task

Key Features

Converts ken to pole using the established conversion rate
Supports users in traditional architecture and land surveying contexts
Browser-based and easy to use for quick conversions
Useful for historical and cross-cultural measurement comparisons
Provides example calculations for clarity

Examples

2 Ken equals approximately 0.8424 Pole (2 × 0.4212121212)
5 Ken equals approximately 2.1061 Pole (5 × 0.4212121212)

Common Use Cases

Specifying bay widths between pillars in traditional Japanese buildings
Translating Japanese architectural measurements for restoration projects
Interpreting historical British land survey measurements
Converting old cadastral and agricultural distances to modern units
Supporting cross-cultural studies in measurement systems for heritage work

Tips & Best Practices

Always confirm the local definition of ken for your specific use case
Use this tool for general conversions rather than precise field measurements
Combine this with historical context when interpreting old documents
Cross-check results when comparing architectural and land surveying data

Limitations

Ken length may vary historically and regionally, affecting accuracy
Pole is a historical unit and less common in modern measurements
Conversion assumes fixed standard lengths which may differ in practice

Frequently Asked Questions

What is a ken used for?: Ken is a traditional Japanese length unit used mainly to specify bay widths in architecture and to describe room or tatami dimensions.
What contexts use the pole measurement?: The pole, also known as rod or perch, is used historically in British surveying, cadastral mapping, and agricultural contexts.
How do I convert ken to pole?: The conversion uses the formula: 1 Ken equals approximately 0.4212121212 Pole.

Key Terminology

Ken: A traditional Japanese unit of length, approximately 1.818 meters, used mainly in architectural design to measure bay widths between pillars.
Pole: A traditional English unit of length equal to 16.5 feet or 5.0292 meters, used in surveying and land measurement.

Quick Knowledge Check

What traditional use does the ken measurement have?

Measuring distances in British farms

Describing bay widths between pillars in Japanese architecture

Surveying land boundaries in colonial maps

What is the pole also known as?

Shaku

Rod or perch

Tatami

Which is closest to the correct conversion formula?

1 Ken = 5 Pole

1 Ken = 0.4212121212 Pole

1 Pole = 0.3 Ken

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