What is the UK nautical mile (NM UK)?

It is a historical British maritime length unit defined as exactly 6,080 feet or 1,853.184 metres, slightly longer than the international nautical mile.

What is a famn used for?

A famn is a traditional maritime unit equal to one fathom (6 feet or 1.8288 metres) commonly used for expressing water depth and lengths of shipboard rope or chains.

Why convert from NM (UK) to famn?

Converting helps translate historical nautical distances into more granular traditional units used in older maritime charts, logs, and survey data.

How to Convert from Nautical mile (UK) [NM (UK)] to Famn?

Learn how to convert length measurements from the UK nautical mile (NM UK) to the traditional maritime unit famn with clear examples and practical use cases.

Nautical mile (UK) [NM (UK)]

Famn

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Nautical mile (UK) [NM (UK)] to Famn Conversion Table

Nautical mile (UK) [NM (UK)]	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.

Nautical mile (UK) [NM (UK)] to Famn Conversion Table
Nautical mile (UK) [NM (UK)]	Famn

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What Is This Tool?

This unit converter helps you convert length values from the UK nautical mile (historically known as the Admiralty nautical mile) to the famn, a traditional maritime length unit used for depths and rope measurements in historical and nautical contexts.

How to Use This Tool?

Enter the value in nautical mile (UK) [NM (UK)]
Select famn as the target unit for conversion
Click the convert button to get the equivalent length in famn
Use the result for maritime, historical, or surveying applications

Key Features

Converts from UK nautical mile (exactly 6,080 feet or 1,853.184 metres) to famn
Supports maritime and historical measurement contexts
Provides precise conversion based on established rates
Browser-based and easy to use for quick conversions
Useful for interpreting older nautical charts, logs, and survey data

Examples

2 NM (UK) equals 2 × 1040.3353293413 = 2080.6706586826 Famn
0.5 NM (UK) equals 0.5 × 1040.3353293413 = 520.16766467065 Famn

Common Use Cases

Interpreting distances on historical UK Admiralty charts and navigation logs
Converting legacy maritime or legal documents to SI or traditional units
Restoring or comparing older maritime navigation instruments and datasets
Recording water depths and nautical distances in maritime surveying
Specifying lengths of shipboard rope, cable, or anchor chain

Tips & Best Practices

Double-check unit definitions when working with historical data
Be cautious about differences between UK nautical mile and international nautical mile values
Use this converter primarily for historical or specialized maritime contexts
Confirm results when reconciling measurements from multiple sources
Understand famn as a depth or rope length unit rather than a common everyday measure

Limitations

The UK nautical mile (NM UK) is slightly longer than the international nautical mile, so values may not directly match international data
Famn is less commonly used today outside of historical or specialist maritime fields
Practical precision may vary due to rounding differences in historical unit usage

Frequently Asked Questions

What is the UK nautical mile (NM UK)?: It is a historical British maritime length unit defined as exactly 6,080 feet or 1,853.184 metres, slightly longer than the international nautical mile.
What is a famn used for?: A famn is a traditional maritime unit equal to one fathom (6 feet or 1.8288 metres) commonly used for expressing water depth and lengths of shipboard rope or chains.
Why convert from NM (UK) to famn?: Converting helps translate historical nautical distances into more granular traditional units used in older maritime charts, logs, and survey data.

Key Terminology

Nautical mile (UK) [NM (UK)]: A historical British maritime unit of length defined as exactly 6,080 feet or 1,853.184 metres, used for nautical navigation.
Famn: A traditional maritime unit equal to one fathom (6 feet or 1.8288 metres), used for measuring depths and shipboard rope lengths.
Conversion Rate: The factor used to convert one unit into another, here 1 Nautical mile (UK) equals approximately 1040.3353 famn.

Quick Knowledge Check

What is the exact length of one Nautical mile (UK)?

Exactly 1,852 metres

Exactly 1,853.184 metres

Exactly 6,000 feet

What does the famn traditionally represent?

A unit of time measurement

A traditional maritime length equal to one fathom

A type of maritime navigation chart

Why is care needed when comparing NM (UK) to international nautical miles?

Because NM (UK) is slightly shorter

Because NM (UK) is slightly longer

Because units are exactly the same

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