What is a Roman actus?

A Roman actus is an ancient Roman unit of length equal to 120 Roman feet, approximately 35.5 metres, used in land measurement and surveying.

What does ken measure?

Ken is a traditional Japanese unit of length, about 1.818 meters, commonly used in architecture to describe the spacing between pillars and room dimensions.

Why convert Roman actus to ken?

Converting between these units helps relate Roman land measurement units to Japanese architectural measurements for historical and interdisciplinary analysis.

How to Convert from Roman actus to Ken

Learn how to convert the ancient Roman unit of length, the Roman actus, into the traditional Japanese unit called ken, used in architecture and spatial measurements.

Roman actus

Ken

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Roman actus to Ken Conversion Table

Roman actus	Ken

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.

Roman actus to Ken Conversion Table
Roman actus	Ken

Explore More Length Units Converter

What Is This Tool?

This tool helps convert lengths measured in Roman actus, an ancient Roman unit, into ken, a traditional Japanese length unit used mainly in architecture and room layout. It supports understanding and comparing historical and cultural measurement systems.

How to Use This Tool?

Enter the length value in Roman actus you want to convert.
Select Roman actus as the starting unit.
Choose ken as the target unit for conversion.
Click the convert button to see the length in ken.
Review the result for your application or research needs.

Key Features

Supports conversion between Roman actus and ken units of length.
Based on historical unit definitions and standardized values.
Useful for historical, archaeological, and architectural studies.
Easy to use with simple input and output steps.
Browser-based and accessible without installation.

Examples

Converting 2 Roman actus results in approximately 33.4964 ken.
Converting 0.5 Roman actus results in approximately 8.3741 ken.

Common Use Cases

Comparing ancient Roman land measurements with traditional Japanese building units.
Studying cadastral and architectural dimensions from historical records.
Facilitating interdisciplinary research in archaeology and architectural history.
Analyzing traditional spatial layouts in historical construction projects.

Tips & Best Practices

Use the tool for academic or restoration projects where historical units are relevant.
Cross-check conversions when precision is critical due to unit approximations.
Consider the historical context of each unit when interpreting results.
Apply conversions to analyze measurements in architecture and land surveying.

Limitations

Exact lengths of ken and Roman actus may vary slightly depending on historical sources.
Both units are mostly obsolete and not used for modern measurements.
Conversions may have minor inaccuracies due to approximations in unit definitions.
Intended primarily for historical and academic rather than practical everyday use.

Frequently Asked Questions

What is a Roman actus?: A Roman actus is an ancient Roman unit of length equal to 120 Roman feet, approximately 35.5 metres, used in land measurement and surveying.
What does ken measure?: Ken is a traditional Japanese unit of length, about 1.818 meters, commonly used in architecture to describe the spacing between pillars and room dimensions.
Why convert Roman actus to ken?: Converting between these units helps relate Roman land measurement units to Japanese architectural measurements for historical and interdisciplinary analysis.

Key Terminology

Roman actus: An ancient Roman unit of length equal to about 35.5 metres, used for land measurement and surveying.
Ken: A traditional Japanese unit of length approximately 1.818 meters, commonly used in architecture to define bay widths and room sizes.
Conversion rate: The factor used to change a measurement from one unit to another; here, 1 Roman actus equals about 16.7482 ken.

Quick Knowledge Check

What ancient measurement is the Roman actus closest to?

A Roman weight unit

A Roman length unit

A Roman volume measure

In Japanese architecture, what does the ken measure?

Bay spacing between pillars

Weight of wooden beams

Area of tatami mats

Which of the following best describes why someone uses this converter?

To measure modern buildings accurately

To compare historical Roman and Japanese length units

To convert currency values

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