What is a rod (US survey)?

A rod (US survey), also known as a pole or perch, equals exactly 16.5 US survey feet and is used in traditional land surveying and legal property descriptions.

What is a fathom (US survey) used for?

The fathom (US survey) measures nautical lengths such as water depths and cable lengths, and differs slightly from the international fathom.

How do I convert rods to fathoms?

To convert rod (US survey) to fathom (US survey), multiply the rod value by 2.75 as 1 rod equals 2.75 fathoms.

Convert Rod (US survey) [rd] to Fathom (US survey) [fath] Online

Easily convert length units from rod (US survey) to fathom (US survey) with this online converter. Ideal for historical land and nautical measurements.

Rod (US survey) [rd]

Fathom (US survey) [fath]

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

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

Rod (US survey) [rd]	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.

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

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What Is This Tool?

This converter transforms length measurements from rod (US survey), a traditional surveying unit, to fathom (US survey), a nautical unit. It assists users working with historical land and hydrographic data by providing a simple way to switch between these legacy US survey units.

How to Use This Tool?

Enter the value in rods (US survey) you want to convert
Select rod (US survey) as the input unit and fathom (US survey) as the output unit
Click the convert button to see the result in fathoms (US survey)
Use the converted values for interpreting or reconciling legacy measurements

Key Features

Converts rod (US survey) to fathom (US survey) accurately
Supports legacy units used in land surveying and nautical contexts
Browser-based tool requiring no installation
Helps translate historical cadastral and hydrographic measurements
Provides clear conversion rate for ease of use

Examples

1 rod (US survey) converts to 2.75 fathom (US survey)
2 rods (US survey) equal 5.5 fathom (US survey)

Common Use Cases

Interpreting distances in historical US land surveys and deed descriptions
Surveying property boundaries using legacy measurement units
Measuring water depths and line lengths on nautical charts
Converting old survey data from land units to nautical units
Reconciling cadastral and hydrographic legacy records

Tips & Best Practices

Verify whether measurements use US survey units versus international units
Consider using this tool when dealing with historical or legacy datasets
Cross-check conversions when precision is critical due to unit differences
Use converted values to aid in modernizing mapping or nautical records

Limitations

US survey fathoms differ slightly from international fathoms, which may impact accuracy
Legacy units like rods and US survey feet may not perfectly align with modern metric units
Conversions should be applied cautiously when precision affects legal or navigational decisions

Frequently Asked Questions

What is a rod (US survey)?: A rod (US survey), also known as a pole or perch, equals exactly 16.5 US survey feet and is used in traditional land surveying and legal property descriptions.
What is a fathom (US survey) used for?: The fathom (US survey) measures nautical lengths such as water depths and cable lengths, and differs slightly from the international fathom.
How do I convert rods to fathoms?: To convert rod (US survey) to fathom (US survey), multiply the rod value by 2.75 as 1 rod equals 2.75 fathoms.

Key Terminology

Rod (US survey): A traditional surveying unit equal to 16.5 US survey feet, used in land measurement and legal property descriptions.
Fathom (US survey): A non-SI unit of length equal to 6 US survey feet, commonly used for measuring water depths and line lengths in nautical contexts.
Conversion Rate: The factor used to convert between units, here 1 rod (US survey) equals 2.75 fathoms (US survey).

Quick Knowledge Check

What is the exact length of one rod (US survey) in US survey feet?

16.5 feet

10 feet

20 feet

Which measurement is the fathom (US survey) primarily associated with?

Land surveying

Nautical and hydrographic contexts

Architectural design

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

1.5 fathoms

2.75 fathoms

4 fathoms

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