What is a chain (US survey) unit?

A chain (US survey) is a traditional length unit equal to 66 US survey feet commonly used in historical US land surveys.

What does famn measure?

A famn is a traditional maritime length unit equivalent to one fathom, used for depths and nautical distances.

How do I convert chain (US survey) to famn?

Multiply the value in chains by 11.2931363587 to get the equivalent measurement in famn.

How to Convert from Chain (US survey) [ch] to Famn

Learn how to convert measurements from the US survey chain (ch) to famn, a traditional maritime length unit, with clear explanations, examples, and use cases.

Chain (US survey) [ch]

Famn

Please check your input. It must be a valid numeric value.

Chain (US survey) [ch] to Famn Conversion Table

Chain (US survey) [ch]	Famn

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.

Chain (US survey) [ch] to Famn Conversion Table
Chain (US survey) [ch]	Famn

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What Is This Tool?

This converter enables the translation of length measurements from the historical US survey chain (ch) into famn units, commonly used in maritime contexts. It assists in interpreting land and nautical survey data accurately by converting these traditional units.

How to Use This Tool?

Enter the numerical value in the chain (US survey) [ch] field
Select famn as the target unit for conversion
Review the converted output displayed in famn
Use the provided examples to verify or understand results
Apply the converted value for mapping, navigation, or historical research

Key Features

Converts between chain (US survey) and famn units quickly and easily
Provides context for each unit’s traditional usage and measurement standards
Includes practical conversion examples to guide users
Browser-based and user-friendly interface for straightforward conversions
Supports understanding of maritime and land surveying contexts

Examples

2 Chains (US survey) [ch] equals 22.5862727174 Famn based on the conversion formula
0.5 Chain (US survey) [ch] converts to 5.64656817935 Famn
Users can multiply the chain value by 11.2931363587 to obtain famn

Common Use Cases

Interpreting and recording land distances in historical US surveying documents
Converting legacy survey lengths into nautical depth or maritime distance units
Specifying depths on nautical charts or lengths of maritime ropes and cables
Working with maritime navigation, cartography, and coastal engineering data
Translating historic maritime or coastal survey measurements for research

Tips & Best Practices

Double-check unit standards especially when working with historical or legacy data
Understand the differences between US survey feet and international feet for precision
Use conversions primarily for navigational or historical documentation rather than precise engineering
Refer to the conversion formula directly for manual calculations
Confirm consistency in unit definitions when comparing various sources

Limitations

The US survey chain is based on the US survey foot, which slightly differs from the international foot
The famn is a traditional unit not commonly used in modern scientific practices
Historical records might apply varied definitions, requiring careful unit standard checks
Accuracy may not meet precise engineering needs due to unit inconsistencies
Users should verify conversions for detailed technical applications

Frequently Asked Questions

What is a chain (US survey) unit?: A chain (US survey) is a traditional length unit equal to 66 US survey feet commonly used in historical US land surveys.
What does famn measure?: A famn is a traditional maritime length unit equivalent to one fathom, used for depths and nautical distances.
How do I convert chain (US survey) to famn?: Multiply the value in chains by 11.2931363587 to get the equivalent measurement in famn.

Key Terminology

Chain (US survey): A traditional length unit equal to 66 US survey feet, historically used in US land surveying.
Famn: A traditional maritime length unit equal to one fathom, often used to express water depths.
US survey foot: A foot unit used in US land surveying that slightly differs from the international foot standard.

Quick Knowledge Check

Which unit is traditionally used in US land surveying?

Famn

Chain (US survey)

Fathom

What is the famn primarily used to measure?

Lengths of property boundaries

Maritime depths and nautical distances

Surveying land deeds

What must you multiply by to convert from chain (US survey) to famn?

11.2931363587

1.8288

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