What is a furlong (US survey)?

It is a historical US unit of length equal to 660 US survey feet, used mainly for land surveying and legal descriptions.

What is a fathom (US survey)?

A fathom (US survey) is a length unit equal to 6 US survey feet, commonly used in nautical and hydrographic measurements.

Why convert furlongs to fathoms (US survey)?

Conversion helps relate historical land measurements to nautical depths and lengths in maritime and hydrographic contexts.

How to Convert from Furlong (US survey) to Fathom (US survey)

Learn how to convert measurements from furlong (US survey), a historical land measurement unit, to fathom (US survey), used for nautical and hydrographic measurements, including conversion rates and practical use cases.

Furlong (US survey) [fur]

Fathom (US survey) [fath]

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

Furlong (US survey) [fur] to Fathom (US survey) [fath] Conversion Table

Furlong (US survey) [fur]	Fathom (US survey) [fath]

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.

Furlong (US survey) [fur] to Fathom (US survey) [fath] Conversion Table
Furlong (US survey) [fur]	Fathom (US survey) [fath]

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What Is This Tool?

This tool facilitates the conversion of length measurements from the US survey furlong to the US survey fathom. It helps users interpret and relate historical land survey units to nautical measurements commonly used in marine contexts.

How to Use This Tool?

Enter the length value in furlongs (US survey).
Select the target unit as fathom (US survey).
Execute the conversion to obtain the equivalent length in fathoms.

Key Features

Converts US survey furlongs to US survey fathoms using an exact conversion rate.
Supports understanding of historical land and maritime measurements.
Browser-based and easy to use for a variety of surveying and nautical applications.

Examples

2 furlongs (US survey) equals 220 fathoms (US survey).
0.5 furlong (US survey) equals 55 fathoms (US survey).

Common Use Cases

Translating older US land survey data into nautical depth measurements.
Interpreting historical maps and land boundaries recorded in furlongs for maritime navigation.
Converting legacy survey data to support hydrographic and nautical charting operations.

Tips & Best Practices

Verify unit systems to avoid mixing US survey units with international or metric measurements.
Use this conversion for interpreting historical or specialized surveying contexts rather than modern measurements.
Apply careful unit distinction in legal or navigational documents to prevent measurement errors.

Limitations

Both furlong and fathom are non-SI units based on the US survey foot, which varies slightly from the international foot.
These units are primarily historical or specialized, reducing their use in current metric-based projects.
Differences in unit definitions require attention to avoid inaccuracies in critical contexts.

Frequently Asked Questions

What is a furlong (US survey)?: It is a historical US unit of length equal to 660 US survey feet, used mainly for land surveying and legal descriptions.
What is a fathom (US survey)?: A fathom (US survey) is a length unit equal to 6 US survey feet, commonly used in nautical and hydrographic measurements.
Why convert furlongs to fathoms (US survey)?: Conversion helps relate historical land measurements to nautical depths and lengths in maritime and hydrographic contexts.

Key Terminology

Furlong (US survey): A historical unit of length defined as 660 US survey feet, used in land surveying and legal land descriptions.
Fathom (US survey): A nautical length unit equal to 6 US survey feet, used for measuring water depths and line lengths in marine contexts.
US survey foot: A unit of length slightly different from the international foot, serving as the basis for US survey units like furlong and fathom.

Quick Knowledge Check

Which unit is primarily used to measure water depths?

Furlong (US survey)

Fathom (US survey)

Rod (US survey)

How many fathoms are in one furlong (US survey)?

100

110

120

What is a common use of the US survey furlong?

Measuring nautical depths

Describing land parcel boundaries

Measuring anchor cable length

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