What is the exact conversion rate from mile (US survey) to nautical mile (UK)?

One mile (US survey) equals 0.8684227895 nautical mile (UK).

Why is the mile (US survey) different from the nautical mile (UK)?

They are based on different definitions of feet and were used historically for distinct purposes, such as land surveying versus maritime navigation.

Can I use this conversion for international nautical miles?

No, this tool specifically converts mile (US survey) to the UK nautical mile, which differs slightly from the international nautical mile.

How to Convert from Mile (US survey) to Nautical mile (UK)

Learn how to convert lengths from mile (US survey) to nautical mile (UK) using our precise conversion tool. Ideal for surveying, maritime navigation, and historical data reconciliation.

Mile (US survey) [mi]

Nautical mile (UK) [NM (UK)]

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Mile (US survey) [mi] to Nautical mile (UK) [NM (UK)] Conversion Table

Mile (US survey) [mi]	Nautical mile (UK) [NM (UK)]

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.

Mile (US survey) [mi] to Nautical mile (UK) [NM (UK)] Conversion Table
Mile (US survey) [mi]	Nautical mile (UK) [NM (UK)]

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What Is This Tool?

This converter transforms length values measured in mile (US survey) to nautical mile (UK). It is designed for professionals and researchers working with historical surveying, cadastral data, and legacy maritime records.

How to Use This Tool?

Enter the distance in mile (US survey) into the input field
Select nautical mile (UK) as the target unit
Click the convert button to get the equivalent distance
Use the result to analyze or update historical or legal measurements

Key Features

Exact conversion between mile (US survey) and UK nautical mile units
Supports legacy measurements used in cadastral and maritime contexts
Helps interpret distances on historical maps and navigation charts
Browser-based and easy to use without installation

Examples

Convert 1 mile (US survey) to get 0.8684227895 nautical mile (UK)
Convert 5 miles (US survey) resulting in 4.3421139475 nautical mile (UK)

Common Use Cases

Reinterpreting distances on old US cadastral and land survey records
Converting measurements on UK Admiralty charts for navigation research
Reconciling legacy maritime documents with modern units
Supporting geodetic control datasets referencing historical surveys

Tips & Best Practices

Always verify if the legacy data uses US survey feet or international standards
Use the exact conversion factor provided to maintain measurement accuracy
Be cautious when comparing with international nautical miles or metric units
Cross-reference converted results with original datasets when possible

Limitations

Conversion applies specifically to mile (US survey) and UK nautical mile units only
Do not use for conversions involving international nautical miles without adjustments
Be aware of different foot standards underpinning these units
Legacy data may require contextual understanding beyond pure conversion

Frequently Asked Questions

What is the exact conversion rate from mile (US survey) to nautical mile (UK)?: One mile (US survey) equals 0.8684227895 nautical mile (UK).
Why is the mile (US survey) different from the nautical mile (UK)?: They are based on different definitions of feet and were used historically for distinct purposes, such as land surveying versus maritime navigation.
Can I use this conversion for international nautical miles?: No, this tool specifically converts mile (US survey) to the UK nautical mile, which differs slightly from the international nautical mile.

Key Terminology

Mile (US survey): A unit of length equal to exactly 5,280 US survey feet, used historically in US land surveying.
Nautical mile (UK): The UK Admiralty nautical mile defined as exactly 6,080 feet, slightly longer than the international nautical mile.
Cadastral Survey: A survey for the purpose of establishing boundaries and legal descriptions of land.

Quick Knowledge Check

What does 1 mile (US survey) convert to in nautical mile (UK)?

1.2345 NM (UK)

0.8684227895 NM (UK)

1.6093 NM (UK)

Which fields commonly use mile (US survey) measurements?

Maritime shipping only

Land surveying and cadastral mapping

International aviation

Why should you be cautious when using this conversion?

Because the UK nautical mile is longer than the international nautical mile

Because mile (US survey) and UK nautical mile use different foot standards

Because it converts metric units incorrectly

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