What is the UK nautical mile (NM UK)?

The UK nautical mile, historically called the Admiralty nautical mile, was defined as exactly 6,080 feet or 1,853.184 meters, slightly longer than the international nautical mile.

Where is the furlong still used today?

The furlong is mostly used in horse racing, traditional land measurements, and historical or sporting contexts, but it is uncommon in modern science and engineering.

Why convert from UK nautical miles to furlongs?

Converting helps interpret historical maritime data in terms of traditional land units, useful in surveying, legal records, and analyzing old navigation charts.

How to Convert from Nautical mile (UK) [NM (UK)] to Furlong [fur]

Learn how to convert distances from the UK nautical mile (historically the Admiralty nautical mile) to furlongs using this easy-to-use length unit converter tool.

Nautical mile (UK) [NM (UK)]

Furlong [fur]

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Nautical mile (UK) [NM (UK)] to Furlong [fur] Conversion Table

Nautical mile (UK) [NM (UK)]	Furlong [fur]

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 Furlong [fur] Conversion Table
Nautical mile (UK) [NM (UK)]	Furlong [fur]

Explore More Length Units Converter

What Is This Tool?

This converter helps translate length measurements from the UK nautical mile, a historical maritime unit, into furlongs, a traditional unit once used in land surveying and horse racing.

How to Use This Tool?

Enter the value in nautical miles (UK) you want to convert
Select 'nautical mile (UK) [NM (UK)]' as your from unit
Choose 'furlong [fur]' as the unit to convert to
Click convert to get the length in furlongs
Use the results to interpret historical distance data or land surveys

Key Features

Converts UK nautical miles (NM (UK)) to furlongs (fur) accurately
Supports historical and legacy maritime and land measurement contexts
Browser-based and easy to use without needing advanced knowledge
Provides clear examples for quick understanding
Helps reconcile older navigation logs with land-based units

Examples

1 NM (UK) equals approximately 9.21 furlongs
3 NM (UK) equals approximately 27.64 furlongs

Common Use Cases

Interpreting distances on old UK Admiralty maritime charts
Converting legacy maritime navigation records to land-based units
Understanding horse racing distances and racecourse layouts
Analyzing historical land measurements or agricultural property documents
Referencing measurements on historical maps and heritage records

Tips & Best Practices

Ensure you're using the UK nautical mile definition, as it differs slightly from the international nautical mile
Use the tool primarily for historical, legal, or heritage research contexts
Be cautious of the furlong's limited use in modern scientific measurements
Double-check converted values when reconciling old data with SI units
Understand the historical context of measurements to apply conversions correctly

Limitations

UK nautical mile is no longer the international standard and mainly used for historical purposes
Furlong is largely obsolete in modern scientific and engineering fields
Conversions may require attention to slight differences between UK and international nautical miles
Not suitable for precise contemporary navigation or engineering measurements

Frequently Asked Questions

What is the UK nautical mile (NM UK)?: The UK nautical mile, historically called the Admiralty nautical mile, was defined as exactly 6,080 feet or 1,853.184 meters, slightly longer than the international nautical mile.
Where is the furlong still used today?: The furlong is mostly used in horse racing, traditional land measurements, and historical or sporting contexts, but it is uncommon in modern science and engineering.
Why convert from UK nautical miles to furlongs?: Converting helps interpret historical maritime data in terms of traditional land units, useful in surveying, legal records, and analyzing old navigation charts.

Key Terminology

Nautical mile (UK) [NM (UK)]: A historical UK maritime unit defined as exactly 6,080 feet or 1,853.184 metres, used in older UK Admiralty navigation.
Furlong [fur]: An imperial length unit equal to 220 yards or 201.168 metres, traditionally used in land measurement and horse racing.
Conversion Rate: The factor used to convert one UK nautical mile into furlongs, specifically 1 NM (UK) = 9.2121212121 furlongs.

Quick Knowledge Check

What unit does this converter translate from?

International nautical mile

Nautical mile (UK) [NM (UK)]

Statute mile

The furlong is commonly used in which context?

Modern engineering

Horse racing and historical land measurement

Scientific research

What is one limitation of using the UK nautical mile?

It is an international standard unit

It differs slightly from the international nautical mile

It is exactly equal to 1,852 metres

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