What is a perch in length measurement?

A perch, also called a rod or pole, is a historical length unit equal to 16.5 feet or 5.0292 meters used mainly in surveying and land measurement.

Why convert perch to kilometers?

Converting perch to kilometers helps interpret and update historical land measurements into modern SI units for clarity and accuracy in legal and geographic contexts.

Is the perch still commonly used today?

No, the perch is largely obsolete but still appears in older legal and cadastral documents.

How to Convert from Perch to Kilometer [km]

Convert length measurements from perch, a historical unit used in land surveying, to kilometers to interpret historical land data with modern units accurately.

Perch

Kilometer [km]

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Perch to Kilometer [km] Conversion Table

Perch	Kilometer [km]

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 Kilometer [km] Conversion Table
Perch	Kilometer [km]

Explore More Length Units Converter

What Is This Tool?

This unit converter transforms measurements from perch—a now largely obsolete unit of length used historically in surveying and land measurement—into kilometers, the modern SI unit suitable for expressing distances on human and geographic scales.

How to Use This Tool?

Enter the length value in perch that you want to convert.
Select perch as the original unit and kilometer (km) as the target unit.
Click convert to see the equivalent distance in kilometers.

Key Features

Converts historical length units (perch) into standard kilometers.
Simple conversion based on established relation: 1 perch equals 0.0050292 kilometers.
Supports interpreting and updating old land measurement records for modern usage.

Examples

10 perch converts to 0.050292 kilometers.
100 perch converts to 0.50292 kilometers.

Common Use Cases

Converting dimensions in old property deeds and boundary descriptions.
Translating historical surveying maps into modern metric units.
Analyzing estate and agricultural records with legacy measurement units.

Tips & Best Practices

Use this conversion to clarify historical land data for legal and geographic applications.
Cross-check measurements with original records due to potential regional variations in perch definitions.
Apply converted values carefully in planning and GIS when integrating historical data layers.

Limitations

Perch measurements vary regionally and may be inconsistent in old records.
The perch is no longer a common unit, so contextual knowledge is important for accurate interpretation.
Conversion to kilometers may be less practical for very small distances where meters or feet are more suitable.

Frequently Asked Questions

What is a perch in length measurement?: A perch, also called a rod or pole, is a historical length unit equal to 16.5 feet or 5.0292 meters used mainly in surveying and land measurement.
Why convert perch to kilometers?: Converting perch to kilometers helps interpret and update historical land measurements into modern SI units for clarity and accuracy in legal and geographic contexts.
Is the perch still commonly used today?: No, the perch is largely obsolete but still appears in older legal and cadastral documents.

Key Terminology

Perch: A historical unit of length equal to 16.5 feet or 5.0292 meters, formerly used in surveying.
Kilometer (km): An SI derived unit of length equal to 1,000 meters used to express distances on human and geographic scales.
Conversion Rate: The fixed value used to convert one perch into kilometers, specifically 1 perch equals 0.0050292 kilometers.

Quick Knowledge Check

What modern unit does this tool convert perch into?

Meters

Kilometers

Feet

What is the approximate length of one perch?

16.5 feet

100 feet

1 kilometer

Why might conversions from perch be imprecise?

Regional variations and old record inconsistencies

Modern perch definitions changing frequently

Perch is exactly equal everywhere

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