What is a Roman actus?

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

What is a perch unit?

A perch, also called a rod or pole, is a historical length unit equal to 16.5 feet (5.0292 metres), used primarily in surveying and land measurement, often found in old cadastral records.

Why convert from Roman actus to perch?

Converting from Roman actus to perch helps understand and reconcile ancient Roman land measurements with later historical units, aiding in interpreting old property and boundary descriptions.

How to Convert from Roman actus to Perch

Learn how to convert length measurements from the ancient Roman actus to the historical perch unit using our online converter. Ideal for interpreting historical land records and surveying data.

Roman actus

Perch

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Roman actus to Perch Conversion Table

Roman actus	Perch

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 Perch Conversion Table
Roman actus	Perch

Explore More Length Units Converter

What Is This Tool?

This converter helps transform length values measured in the Roman actus—a traditional Roman unit used in land surveying—into perch, a historical unit commonly found in older surveying and cadastral documents.

How to Use This Tool?

Enter the length value in Roman actus that you want to convert.
Select Roman actus as the source unit and perch as the target unit.
Click the convert button to see the equivalent value in perch.
Use the conversion output to interpret or compare historical land measurements.
Refer to example calculations to verify your results.

Key Features

Supports conversion from Roman actus to perch units.
Simple, browser-based tool suitable for historical research and land record interpretation.
Includes examples for easy understanding of conversion.
Helps reconcile measurements from different historical systems.
Useful for archaeological and cadastral studies related to ancient land divisions.

Examples

2 Roman actus equals approximately 14.1091 perch (2 × 7.0545454545).
0.5 Roman actus equals approximately 3.52727 perch (0.5 × 7.0545454545).

Common Use Cases

Interpreting boundary lengths in ancient Roman land records.
Translating land measurements between Roman and later historical units.
Analyzing cadastral maps and estate plans from different historical periods.
Supporting archaeological research into Roman land surveying systems.
Converting historical property dimensions for legal or academic purposes.

Tips & Best Practices

Always verify the context of historical measurements before converting.
Consider regional variations in unit standards when interpreting results.
Use the conversion tool alongside historical documentation for accuracy.
Cross-reference converted values with known land area sizes where possible.
Bear in mind that both units are largely obsolete and approximate.

Limitations

Units are largely obsolete and not used in modern measurement systems.
Variations and inaccuracies may exist due to historical standards and regional differences.
Conversions are approximate and minor discrepancies can occur.
The tool does not account for precise local definitions of Roman feet or perch lengths.
Use results carefully when applying to legal or precise land measurement contexts.

Frequently Asked Questions

What is a Roman actus?: The Roman actus is an ancient unit of length equal to 120 Roman feet, approximately 35.5 metres, used mainly for land measurement and surveying in Roman times.
What is a perch unit?: A perch, also called a rod or pole, is a historical length unit equal to 16.5 feet (5.0292 metres), used primarily in surveying and land measurement, often found in old cadastral records.
Why convert from Roman actus to perch?: Converting from Roman actus to perch helps understand and reconcile ancient Roman land measurements with later historical units, aiding in interpreting old property and boundary descriptions.

Key Terminology

Roman actus: An ancient Roman unit of length equal to 120 Roman feet, about 35.5 metres, used in land measurement and defining areas.
Perch: A historical length unit equal to 16.5 feet (5.0292 metres), used in surveying and largely obsolete today.
Actus quadratus: A square with sides equal to one Roman actus, used to define an area unit in Roman times.

Quick Knowledge Check

What is the approximate length of one Roman actus in metres?

Approximately 16.5 metres

Approximately 35.5 metres

Approximately 5 metres

Which unit is approximately equal to 16.5 feet?

Roman actus

Perch

Actus quadratus

Why is converting Roman actus to perch useful?

To interpret modern land records

To reconcile ancient Roman measurements with later units

To measure distances on modern roads

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