A famn is a traditional maritime unit of length equal to one fathom, which is 6 feet or 1.8288 metres, commonly used to measure water depth and nautical distances.

What does perch measure?

A perch, also known as a rod or pole, is an historical length unit equal to 16.5 feet or 5.0292 metres, primarily used in land surveying and property measurement.

Why convert from famn to perch?

Converting between famn and perch is helpful for interpreting or reconciling maritime measurements with land survey data, particularly when working with historic nautical and cadastral records.

How to Convert from Famn to Perch?

Easily convert lengths from famn, a maritime unit, to perch, a traditional land measurement unit used in surveying. Understand definitions, uses, and examples.

Famn

Perch

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Famn to Perch Conversion Table

Famn	Perch

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Start Value

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

End Value

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Interval

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Famn to Perch Conversion Table
Famn	Perch

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What Is This Tool?

This unit converter helps users transform lengths measured in famn, a maritime unit, into perch, an historical land surveying unit. It supports maritime and surveying applications, especially when working with older or archival measurements.

How to Use This Tool?

Enter the length value in famn you wish to convert.
Select 'famn' as the from unit and 'perch' as the to unit.
Click the convert button to see the equivalent length in perch.
Review the results and use them for your surveying or historical research needs.

Key Features

Converts length from famn to perch using established conversion rates.
Supports historical maritime and land surveying units.
Provides practical examples for better understanding.
Browser-based and easy to use with intuitive interface.

Examples

5 famn converts to approximately 1.7709907475 perch using the formula 5 × 0.3541981495.
10 famn equals about 3.541981495 perch based on the conversion factor.
Use these sample conversions to verify and understand unit differences.

Common Use Cases

Recording water depth and distances in maritime charts and sounding logs.
Converting shipboard rope and anchor chain lengths for nautical purposes.
Interpreting old coastal survey data and maritime historical documents.
Decoding historic land property records and boundary descriptions.
Translating legacy surveying measurements into modern equivalents.

Tips & Best Practices

Confirm the historical context of the units before conversion.
Use this tool primarily for archival, research, or academic purposes.
Cross-check results with source documents due to obsolete unit usage.
Understand the approximate nature of these units in modern contexts.

Limitations

Both famn and perch are mostly obsolete and may have varying definitions historically.
Conversions might differ slightly due to rounding or historical variations.
Modern measurements commonly use metric units, limiting practical application.
Results are best suited for archival or historical interpretation rather than precise modern use.

Frequently Asked Questions

What is a famn unit?: A famn is a traditional maritime unit of length equal to one fathom, which is 6 feet or 1.8288 metres, commonly used to measure water depth and nautical distances.
What does perch measure?: A perch, also known as a rod or pole, is an historical length unit equal to 16.5 feet or 5.0292 metres, primarily used in land surveying and property measurement.
Why convert from famn to perch?: Converting between famn and perch is helpful for interpreting or reconciling maritime measurements with land survey data, particularly when working with historic nautical and cadastral records.

Key Terminology

Famn: A maritime length unit equal to one fathom, or 6 feet (1.8288 metres), used to measure water depths and nautical distances.
Perch: An historical land surveying length unit also called a rod or pole, equal to 16.5 feet (5.0292 metres), used in property and boundary measurements.
Conversion Rate: The factor used to convert between units; here, 1 famn equals approximately 0.3541981495 perch.

Quick Knowledge Check

What is the length equivalent of one famn?

6 metres

6 feet

16.5 feet

Which unit is primarily used in land surveying?

Famn

Perch

Fathom

Why might one convert famn to perch?

To measure modern nautical distances

To interpret historical maritime and land records

To convert metric units

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