What is a fathom (US survey)?

It is a non-SI nautical unit of length equal to 6 US survey feet, used primarily for measuring water depths and line lengths in maritime contexts.

What is an international nautical league?

It is a historical maritime unit equal to three international nautical miles, used for expressing distances at sea in archival and historical contexts.

Why convert fathoms (US survey) to nautical leagues (int.)?

Conversion helps interpret historical maritime measurements, enabling comparison with modern units or integration into contemporary hydrographic and navigational analysis.

Convert From Fathom (US survey) to Nautical League (int.)

Easily convert length measurements from fathom (US survey) to nautical league (int.) using this online unit converter designed for maritime and historical data.

Fathom (US survey) [fath]

Nautical league (int.)

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Fathom (US survey) [fath] to Nautical league (int.) Conversion Table

Fathom (US survey) [fath]	Nautical league (int.)

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.

Fathom (US survey) [fath] to Nautical league (int.) Conversion Table
Fathom (US survey) [fath]	Nautical league (int.)

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What Is This Tool?

This tool converts lengths measured in fathom (US survey), a nautical unit used for water depths and line lengths, into international nautical leagues, a historical maritime distance unit. It supports interpreting and reconciling legacy maritime data with modern measurement standards.

How to Use This Tool?

Enter the value in fathoms (US survey) in the input field.
Select the source unit as fathom (US survey).
Choose the target unit as nautical league (int.).
Click the convert button to see the equivalent distance.

Key Features

Converts US survey fathoms to international nautical leagues.
Supports maritime and hydrographic measurement conversions.
Useful for historical nautical chart and log interpretation.
Browser-based and simple to operate with no installation required.

Examples

10 fathoms (US survey) = 0.003291583 nautical leagues (int.)
1000 fathoms (US survey) = 0.3291583 nautical leagues (int.)

Common Use Cases

Recording and interpreting water depths in historical hydrographic surveys.
Specifying lengths for anchor cables and mooring lines in maritime contexts.
Converting historical maritime distances to modern metric units for research or archival purposes.

Tips & Best Practices

Verify the unit type carefully since the US survey fathom differs slightly from the international fathom.
Use this conversion primarily for historical, archival, or legal maritime data analysis.
Ensure consistency in handling legacy data to avoid discrepancies in unit reconciliation.

Limitations

The US survey fathom differs slightly from the international fathom, which may cause minor differences.
Nautical leagues are historical and not used in modern navigation, limiting practical applications.
Accuracy depends on precise handling of legacy unit data and assumptions in conversions.

Frequently Asked Questions

What is a fathom (US survey)?: It is a non-SI nautical unit of length equal to 6 US survey feet, used primarily for measuring water depths and line lengths in maritime contexts.
What is an international nautical league?: It is a historical maritime unit equal to three international nautical miles, used for expressing distances at sea in archival and historical contexts.
Why convert fathoms (US survey) to nautical leagues (int.)?: Conversion helps interpret historical maritime measurements, enabling comparison with modern units or integration into contemporary hydrographic and navigational analysis.

Key Terminology

Fathom (US survey): A non-SI unit equal to 6 US survey feet, used in nautical and hydrographic contexts to measure water depth and line length.
Nautical league (int.): A historical maritime length unit equal to 3 international nautical miles, used to express distances at sea.
US survey foot: A unit of length used in US survey measurement systems, forming the basis of the US survey fathom.

Quick Knowledge Check

What does 1 fathom (US survey) equal to in nautical leagues (int.)?

0.00329 nautical leagues

0.0003291583 nautical leagues

0.03291583 nautical leagues

Which measurement is the fathom (US survey) primarily used for?

Land distance measurement

Measuring water depths and line lengths

Calculating air pressure

Why are nautical leagues considered limited in modern use?

They are no longer used for modern navigation and serve mainly archival purposes

They are too small for practical use

They are only used in aviation

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