What is a rod (US survey)?

A rod (US survey), also called a pole or perch, is a length unit equal to exactly 16.5 US survey feet, traditionally used in land measurement and legal property descriptions.

What is a fathom used for?

A fathom is a traditional English unit equal to 6 feet, mainly used to measure water depth and lengths of ropes or cables in nautical contexts.

Why convert rod (US survey) to fathom?

Converting rod (US survey) to fathom allows translating land measurement units into nautical or maritime units, helping to relate historical land surveys with maritime navigation references.

How to Convert from Rod (US survey) [rd] to Fathom [fath]?

Convert units of length from rod (US survey) to fathom with this online unit converter. Learn about traditional surveying and nautical measurement units and how to translate between them.

Rod (US survey) [rd]

Fathom [fath]

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Rod (US survey) [rd] to Fathom [fath] Conversion Table

Rod (US survey) [rd]	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

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.

Rod (US survey) [rd] to Fathom [fath] Conversion Table
Rod (US survey) [rd]	Fathom [fath]

Explore More Length Units Converter

What Is This Tool?

This tool converts length measurements from rod (US survey) to fathom, aiding users in linking historical land survey units with nautical length units used for depth and rope measurements.

How to Use This Tool?

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

Key Features

Converts rod (US survey) to fathom precisely using established conversion rates.
Supports understanding traditional units in both land surveying and maritime contexts.
Provides examples to illustrate how to perform conversions.
Browser-based and easy to use for quick calculations.

Examples

2 Rods (US survey) equals 5.500011 Fathoms
4 Rods (US survey) equals 11.000022 Fathoms

Common Use Cases

Interpreting or converting distances in old US land deeds and cadastral descriptions.
Translating traditional land survey lengths into nautical measurements for maritime navigation.
Assisting historical research that involves both land and nautical measurement systems.

Tips & Best Practices

Verify unit contexts when working with mixed measurement systems to avoid confusion.
Use this tool when referencing legacy surveying documents or nautical charts.
Be aware of the slight difference between the US survey foot and the international foot.

Limitations

Rod (US survey) is based on the US survey foot, which differs slightly from the international foot.
Fathoms are primarily nautical and may not offer precise land surveying measurements without further adjustment.
Conversions apply to traditional units and may not correspond exactly to modern metric equivalents.

Frequently Asked Questions

What is a rod (US survey)?: A rod (US survey), also called a pole or perch, is a length unit equal to exactly 16.5 US survey feet, traditionally used in land measurement and legal property descriptions.
What is a fathom used for?: A fathom is a traditional English unit equal to 6 feet, mainly used to measure water depth and lengths of ropes or cables in nautical contexts.
Why convert rod (US survey) to fathom?: Converting rod (US survey) to fathom allows translating land measurement units into nautical or maritime units, helping to relate historical land surveys with maritime navigation references.

Key Terminology

Rod (US survey): A traditional length unit equal to exactly 16.5 US survey feet, used historically in land measurement and legal property boundaries.
Fathom: An English unit of length equal to 6 feet, historically applied in measuring water depth and lengths of nautical ropes or cables.
US Survey Foot: A unit of length used in US surveying that slightly differs from the international foot, underlying the definition of the rod (US survey).

Quick Knowledge Check

Which unit is primarily used in nautical measurement?

Rod (US survey)

Fathom

Survey foot

How many US survey feet equal one rod (US survey)?

16.5

What is the approximate conversion rate from 1 rod (US survey) to fathom?

2.75 fathom

4 fathom

1 fathom

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