Why use square miles (US survey) instead of international square miles?

Square miles (US survey) are used in U.S. land surveying and cadastral records based on the US survey foot, preserving consistency with historic and legal land descriptions.

What is the conversion rate from square kilometers to square miles (US survey)?

1 square kilometer equals approximately 0.3861006141 square miles (US survey) according to the tool’s conversion.

Can this converter be used for international land measurements?

This converter is tailored for U.S. surveying units; international projects generally use square kilometers or international square miles instead.

How to Convert from Square Kilometer [km²] to Square Mile (US Survey)?

Learn how to convert area measurements from square kilometers to square miles (US survey) accurately for land surveying, cadastral mapping, and legal land descriptions in the United States.

Square kilometer [km^2]

Square mile (US survey)

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

Square kilometer [km^2] to Square mile (US survey) Conversion Table

Square kilometer [km^2]	Square mile (US survey)

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.

Square kilometer [km^2] to Square mile (US survey) Conversion Table
Square kilometer [km^2]	Square mile (US survey)

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What Is This Tool?

This converter allows users to transform measurements from square kilometers (km²), the SI derived unit for large area extents, into square miles (US survey), which are commonly used in United States land surveying and legal property records.

How to Use This Tool?

Enter the value in square kilometers you wish to convert.
Select 'square kilometer [km²]' as the from-unit and 'square mile (US survey)' as the to-unit.
Click the convert button to get the equivalent area in square miles (US survey).
Use the output to assist with land surveying, real estate, or GIS applications.

Key Features

Converts area measurements between square kilometers and US survey square miles.
Supports land surveying and cadastral record conversions in the U.S.
Browser-based and easy to use for quick unit transformations.
Includes standard conversion rate reflecting US survey foot-based mile.
Ideal for aligning international SI units with legacy U.S. land records.

Examples

Converting 2 square kilometers results in 0.7722012282 square miles (US survey).
Converting 5 square kilometers yields 1.9305030705 square miles (US survey).

Common Use Cases

Measuring and describing land parcels, sections, and townships in U.S. Public Land Survey System.
Recording legal boundaries on historic and contemporary cadastral maps using US survey miles.
Converting international area metrics to US survey units for consistency with legacy U.S. land records.
Supporting environmental planning, real estate, and GIS tasks within the United States.

Tips & Best Practices

Ensure you are using the US survey mile when dealing with historical and legal land data in the U.S.
Double-check conversions when precision is critical for cadastral or legal boundary definitions.
Use this conversion primarily for U.S.-specific surveying projects; prefer SI units for international work.
Be aware of slight differences between US survey miles and international miles in your calculations.

Limitations

The US survey mile differs slightly from the international mile, affecting precise land measurements.
Region-specific use means this converter suits primarily U.S. land surveying needs.
Small rounding errors may accumulate in large area conversions, impacting legal accuracy.

Frequently Asked Questions

Why use square miles (US survey) instead of international square miles?: Square miles (US survey) are used in U.S. land surveying and cadastral records based on the US survey foot, preserving consistency with historic and legal land descriptions.
What is the conversion rate from square kilometers to square miles (US survey)?: 1 square kilometer equals approximately 0.3861006141 square miles (US survey) according to the tool’s conversion.
Can this converter be used for international land measurements?: This converter is tailored for U.S. surveying units; international projects generally use square kilometers or international square miles instead.

Key Terminology

Square kilometer [km²]: An SI derived area unit representing the area of a square with sides one kilometre in length; equals 1,000,000 square meters.
Square mile (US survey): An area unit equal to a square with sides one US survey mile long, used in U.S. land surveying and based on the US survey foot.
US survey foot: A measurement unit equal to 1200/3937 meters, used as the base length for the US survey mile.

Quick Knowledge Check

What unit is equal to the area of a square with sides one kilometre long?

Square mile (US survey)

Square kilometer [km²]

Survey acre

Which area unit is primarily used in U.S. land surveying and cadastral records?

Square foot (international)

Square mile (US survey)

Square kilometer

What is a common use for converting square kilometers to square miles (US survey)?

Aligning international and U.S. legal land records

Converting weight measurements

Changing temperature units

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