What is a US survey fathom?

It is a non-SI nautical unit of length equal to 6 US survey feet, used mainly in hydrographic and maritime measurements.

How many feet are in one US survey fathom?

One US survey fathom equals approximately 6.000012 feet.

Why is this conversion important?

It helps translate historical maritime lengths into feet for modern engineering, surveying, and construction purposes.

How to Convert from Fathom (US survey) [fath] to Foot [ft]?

Convert US survey fathoms to feet easily with this online length unit converter. Understand the differences between these nautical and everyday measurement units and apply accurate conversions for maritime, hydrographic, and engineering uses.

Fathom (US survey) [fath]

Foot [ft]

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

Fathom (US survey) [fath] to Foot [ft] Conversion Table

Fathom (US survey) [fath]	Foot [ft]

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 Foot [ft] Conversion Table
Fathom (US survey) [fath]	Foot [ft]

Explore More Length Units Converter

What Is This Tool?

This tool converts measurements from the US survey fathom, a nautical length unit, to the foot, a common unit in imperial and U.S. customary systems. It helps users translate legacy maritime lengths into modern measurements.

How to Use This Tool?

Enter the value in fathoms (US survey) you want to convert.
Select fathom (US survey) as the input unit and foot as the output unit.
Click the convert button to see the equivalent length in feet.

Key Features

Converts US survey fathoms to feet based on precise conversion factors.
Supports maritime and hydrographic measurement needs.
Browser-based and easy to use with no installation required.
Suitable for reconciling historical survey data with modern units.

Examples

2 fathoms (US survey) converts to approximately 12.000024 feet.
5 fathoms (US survey) converts to approximately 30.00006 feet.

Common Use Cases

Recording water depths and soundings in nautical charts and surveys.
Specifying lengths of anchor cables and mooring lines in marine operations.
Converting legacy hydrographic survey data into modern measurement systems.

Tips & Best Practices

Ensure you use the US survey fathom standard, not the international fathom, for accuracy.
Double-check conversions when working with sensitive hydrographic measurements.
Use the tool to reconcile and compare legacy data with current measurement units.

Limitations

US survey fathom differs slightly from the international fathom, which may cause differences in results.
Small precision variations exist due to historical definitions affecting sensitive data.
Not widely used outside specialized maritime or legacy survey contexts.

Frequently Asked Questions

What is a US survey fathom?: It is a non-SI nautical unit of length equal to 6 US survey feet, used mainly in hydrographic and maritime measurements.
How many feet are in one US survey fathom?: One US survey fathom equals approximately 6.000012 feet.
Why is this conversion important?: It helps translate historical maritime lengths into feet for modern engineering, surveying, and construction purposes.

Key Terminology

US survey fathom (fath): A nautical unit of length equal to exactly 6 US survey feet, mainly used for measuring water depths and maritime line lengths.
Foot (ft): An imperial and U.S. customary length unit defined exactly as 0.3048 metres, widely used for distances, heights, and elevations.

Quick Knowledge Check

What does the US survey fathom measure primarily?

Room dimensions

Water depths and maritime lengths

Aircraft altitude

How many feet are there in one US survey fathom?

5.999 feet

6.000012 feet

6.1 feet

Which context commonly uses the US survey fathom?

Marine cable length measurement

Architectural design

Everyday height measurement

Share Us

Similar Calculators

Online Surface Current Density Units Converter Online Heat Flux Density Units Converter Online Heat Density Units Converter Online Weight and Mass Units Converter Online Flow Molar Units Converter