Why is the square mile (US survey) different from the international square mile?

Because the US survey mile is based on the US survey foot, its length slightly differs from the international mile, leading to minor differences in area.

Can this tool help convert land areas for legal property descriptions?

Yes, it is designed to aid in translating between hectare and square mile (US survey) units commonly used in legal and cadastral contexts in the US.

Is hectare an SI base unit?

No, the hectare is not an SI base unit but is accepted for use with the SI and widely used to express large land areas.

How to Convert from Hectare [ha] to Square mile (US survey)?

Easily convert land area measurements from hectare [ha] to square mile (US survey) with this practical online converter, ideal for agriculture, forestry, and land surveying uses.

Hectare [ha]

Square mile (US survey)

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

Hectare [ha] to Square mile (US survey) Conversion Table

Hectare [ha]	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.

Hectare [ha] to Square mile (US survey) Conversion Table
Hectare [ha]	Square mile (US survey)

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What Is This Tool?

This tool assists users in converting area measurements from hectares, a metric unit commonly used worldwide, to square miles as defined by the US survey system, which is important for United States land surveying and legal property records.

How to Use This Tool?

Enter the area value in hectares [ha] into the input field
Select hectare as the original unit and square mile (US survey) as the target unit
Click the convert button to get the area in square miles (US survey)
Review the converted value for use in land surveying, urban planning, or legal documents

Key Features

Converts land area from hectare (ha) to square mile (US survey)
Uses accepted unit definitions for agriculture and cadastral applications
Supports conversion relevant for US Public Land Survey System and GIS
Browser-based and easy to use without requiring additional software

Examples

Convert 10 hectares: 10 × 0.0038610061 = 0.038610061 square miles (US survey)
Convert 50 hectares: 50 × 0.0038610061 = 0.193050305 square miles (US survey)

Common Use Cases

Measuring farm or agricultural field sizes in the US context
Defining forested areas and land-cover statistics using US survey units
Legal property boundary descriptions in US cadastral surveys
Translating metric area data into units compatible with legacy GIS systems

Tips & Best Practices

Ensure you use the US survey foot definition when working with historical land records
Verify unit types before converting to maintain consistency in land measurement data
Use this converter for preliminary calculations and cross-check with official survey data for legal purposes
Be aware of slight differences between US survey and international units when precision is critical

Limitations

The US survey square mile differs slightly from the international square mile due to unit definitions
This conversion does not account for terrain variations or map projection distortions
Precision may vary when converting legacy cadastral records using survey feet and miles

Frequently Asked Questions

Why is the square mile (US survey) different from the international square mile?: Because the US survey mile is based on the US survey foot, its length slightly differs from the international mile, leading to minor differences in area.
Can this tool help convert land areas for legal property descriptions?: Yes, it is designed to aid in translating between hectare and square mile (US survey) units commonly used in legal and cadastral contexts in the US.
Is hectare an SI base unit?: No, the hectare is not an SI base unit but is accepted for use with the SI and widely used to express large land areas.

Key Terminology

Hectare [ha]: A unit of area equal to 10,000 square meters (100 m × 100 m), commonly used internationally to express large land extents.
Square mile (US survey): An area unit defined as the square of one US survey mile, used in US land surveying and cadastral records.
US survey foot: A length unit equal to 1200/3937 meters, used in the US survey system as the basis for the US survey mile.

Quick Knowledge Check

What does one hectare represent?

An area of 1,000 square meters

An area of 10,000 square meters

An area of 100 square meters

What unit is the square mile (US survey) based on?

The international foot

The US survey foot

The metric meter

For which use case is converting hectare to square mile (US survey) commonly applied?

Measuring ocean depth

Describing US public land survey sections

Calculating vehicle speed

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