What is a furlong (US survey)?

It is a historical non-SI unit of length used in US surveying, defined as exactly 660 US survey feet, or 1/8 of a US survey mile.

What is a fathom used for?

A fathom is a traditional English unit measuring 6 feet, historically used for water depth and lengths of ropes or cables in nautical contexts.

Why convert furlong to fathom?

Converting furlongs to fathoms helps reconcile historical land measurements with nautical depth units, useful in maritime and survey research.

How to Convert from Furlong (US survey) [fur] to Fathom [fath]?

Learn how to convert length measurements from furlong (US survey) to fathom using this online converter tool. Ideal for historical surveying and nautical navigation.

Furlong (US survey) [fur]

Fathom [fath]

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

Furlong (US survey) [fur]	Fathom [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

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Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

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

Explore More Length Units Converter

What Is This Tool?

This unit converter enables users to change length measurements from the historical US survey furlong to the traditional nautical fathom. It helps bridge older land measurement systems with maritime units.

How to Use This Tool?

Enter the value in furlongs (US survey) that you wish to convert.
Select furlong (US survey) as the input unit and fathom as the output unit.
Click the convert button to get the equivalent measurement in fathoms.
Use the results to aid in understanding historical land or nautical data.

Key Features

Converts furlong (US survey), a historic land length unit used in US surveying.
Converts to fathom, a nautical unit traditionally used for measuring water depth and rope lengths.
Provides precise conversion based on exact definitions and rates.
Supports use in interpretating historical surveys and nautical navigation contexts.

Examples

2 furlongs (US survey) convert to 220.0004400008 fathoms.
0.5 furlong (US survey) converts to 55.0001100002 fathoms.

Common Use Cases

Reconciling historical land measurements with nautical depth measurements.
Interpreting and converting older cadastral survey records and legal land descriptions.
Supporting maritime navigation, especially in depth soundings and nautical charting.
Analyzing traditional race distances and historical documents using customary units.

Tips & Best Practices

Verify whether the source data uses US survey furlongs to ensure accurate conversion.
Be cautious when interpreting results due to historical unit variations.
Use conversions primarily for historical research, nautical purposes, or specialized applications.
Cross-check converted values when applying them in legal or navigational contexts.

Limitations

Furlong (US survey) is a historical unit and might lack global standardization.
Fathoms are mainly used for water depth, limiting practical land measurement applications.
Minor approximation differences may arise from variations between US survey and international units.

Frequently Asked Questions

What is a furlong (US survey)?: It is a historical non-SI unit of length used in US surveying, defined as exactly 660 US survey feet, or 1/8 of a US survey mile.
What is a fathom used for?: A fathom is a traditional English unit measuring 6 feet, historically used for water depth and lengths of ropes or cables in nautical contexts.
Why convert furlong to fathom?: Converting furlongs to fathoms helps reconcile historical land measurements with nautical depth units, useful in maritime and survey research.

Key Terminology

Furlong (US survey): A historic US surveying length unit equal to 660 US survey feet, typically used in cadastral surveys and land descriptions.
Fathom: A traditional English length unit of 6 feet, used mainly in nautical settings to measure water depth and lengths of cables.
US Survey Foot: A unit of length used in the US survey system, forming the basis for the furlong's length definition.

Quick Knowledge Check

What does one furlong (US survey) equal in fathoms?

100 fathoms

110.0002200004 fathoms

120 fathoms

What is the primary traditional use of a fathom?

Measuring land distance

Measuring water depth

Measuring race tracks

Where is the furlong (US survey) mainly used?

Nautical charts

Old US land surveys

Modern metric surveys

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