What is a perch in length measurement?

A perch is a historical unit of length equal to 16.5 feet or about 5.0292 meters, mainly used in surveying and land measurement.

Why convert perch to millimeters?

Converting perch to millimeters helps translate old surveying measurements into precise modern metric units for use in engineering, legal, and cadastral fields.

Is the perch unit still commonly used?

No, the perch is largely obsolete in contemporary practice and mostly relevant only for interpreting historic documents and records.

Convert Perch to Millimeter [mm] Easily Online

Use our simple online converter to translate historical perch units into precise millimeter measurements for surveying, legal, and engineering needs.

Perch

Millimeter [mm]

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Perch to Millimeter [mm] Conversion Table

Perch	Millimeter [mm]

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.

Perch to Millimeter [mm] Conversion Table
Perch	Millimeter [mm]

Explore More Length Units Converter

What Is This Tool?

This converter transforms length measurements from perch, a traditional unit used in surveying and land measurement, into millimeters, a precise metric unit ideal for modern engineering and scientific applications.

How to Use This Tool?

Enter the length value in perch that you want to convert
Select perch as the input unit and millimeter [mm] as the output unit
Click convert to see the equivalent measurement in millimeters

Key Features

Converts historical perch values into millimeters with a simple interface
Supports accurate translation of old surveying and cadastral records
Provides instant results suitable for legal, engineering, and manufacturing uses

Examples

2 perch converts to 10058.4 millimeters
0.5 perch converts to 2514.6 millimeters

Common Use Cases

Interpreting old property deeds and boundary descriptions
Updating historical surveying data to modern metric units
Specifying precise lengths in engineering and manufacturing projects

Tips & Best Practices

Use the conversion primarily for historical or cadastral data interpretation
Check original measurement accuracy when converting old records
Be mindful that converting large measurements to millimeters can result in very large numbers

Limitations

The perch is an obsolete unit rarely used today except in historical contexts
Accuracy relies on the integrity of original measurements which may vary
Large scale land measurements converted to millimeters may be impractical to use

Frequently Asked Questions

What is a perch in length measurement?: A perch is a historical unit of length equal to 16.5 feet or about 5.0292 meters, mainly used in surveying and land measurement.
Why convert perch to millimeters?: Converting perch to millimeters helps translate old surveying measurements into precise modern metric units for use in engineering, legal, and cadastral fields.
Is the perch unit still commonly used?: No, the perch is largely obsolete in contemporary practice and mostly relevant only for interpreting historic documents and records.

Key Terminology

Perch: An old length unit equal to 16.5 feet (5.0292 meters), traditionally used in land surveying.
Millimeter [mm]: A metric unit of length equal to one thousandth of a meter, used for small and precise measurements.
Conversion Rate: The factor used to translate perch units into millimeters, specifically 1 perch equals 5029.2 mm.

Quick Knowledge Check

What does one perch equal in millimeters?

502.92 mm

5029.2 mm

16.5 mm

In which field is the perch primarily used?

Modern manufacturing

Historical surveying

Computer graphics

Why might converting large perch values to millimeters be impractical?

Results in fractional numbers

Results in very large numbers

Units become obsolete

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