What is the U.S. survey acre?

It is an area unit equal to 43,560 square U.S. survey feet, defined by the U.S. survey foot, and used mostly in U.S. land surveying and legal property boundaries.

How many hectares are in one acre (US survey)?

One acre (US survey) equals approximately 0.404687261 hectares.

Why convert from acre (US survey) to hectare?

To translate U.S. survey measurements into metric units accepted internationally for agriculture, environmental reporting, cadastral surveys, and urban planning.

Convert Acre (US survey) [ac] to Hectare [ha]

Easily convert area measurements from acre (US survey) [ac] to hectare [ha] with this online unit converter. Perfect for land surveying, agriculture, and cadastral uses.

Acre (US survey) [ac]

Hectare [ha]

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

Acre (US survey) [ac] to Hectare [ha] Conversion Table

Acre (US survey) [ac]	Hectare [ha]

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.

Acre (US survey) [ac] to Hectare [ha] Conversion Table
Acre (US survey) [ac]	Hectare [ha]

Explore More Area Units Converter

What Is This Tool?

This tool enables conversion of area values from the U.S. survey acre to hectares. It is designed for users needing to translate U.S. land measurement units into internationally recognized metric units.

How to Use This Tool?

Enter the area value in acre (US survey) units
Select acre (US survey) as the input unit and hectare as the output unit
Click the convert button to see the equivalent area in hectares
Review and utilize the result for your specific application

Key Features

Converts area from acre (US survey) to hectare effortlessly
Uses standardized conversion rate for consistent results
Supports applications in land surveying, agriculture, forestry, and urban planning
Web-based and easy to use without any installations

Examples

5 acre (US survey) converts to approximately 2.0234 hectare
10 acre (US survey) converts to approximately 4.0469 hectare

Common Use Cases

Describing parcel sizes in U.S. property deeds and legal boundaries
Translating survey data based on U.S. survey foot to international units
Analyzing agricultural fields, forestry, and environmental land areas
Integrating historical land records with modern metric standards

Tips & Best Practices

Use this tool when working with U.S. survey-foot-based land area measurements
Apply conversions in cadastral mapping and legal land descriptions
Verify unit selections carefully before converting
Be mindful of slight differences between U.S. survey acre and international acre

Limitations

The U.S. survey acre is slightly larger than the international acre, causing minor conversion differences
Rounding may affect accuracy in large-scale or historical area conversions
Not suitable when highest precision of area measurement is required

Frequently Asked Questions

What is the U.S. survey acre?: It is an area unit equal to 43,560 square U.S. survey feet, defined by the U.S. survey foot, and used mostly in U.S. land surveying and legal property boundaries.
How many hectares are in one acre (US survey)?: One acre (US survey) equals approximately 0.404687261 hectares.
Why convert from acre (US survey) to hectare?: To translate U.S. survey measurements into metric units accepted internationally for agriculture, environmental reporting, cadastral surveys, and urban planning.

Key Terminology

Acre (US survey): A unit of area defined as 43,560 square U.S. survey feet, used mainly in U.S. land surveying and legal property measurement.
Hectare: A unit of area equal to 10,000 square meters, commonly used to measure large parcels of land.
U.S. survey foot: A unit of length used to define the U.S. survey acre, exactly 1200/3937 meters.

Quick Knowledge Check

What is the equivalent of 1 acre (US survey) in hectare?

1.234 hectares

0.404687261 hectares

2.718 hectares

Which system is the U.S. survey acre primarily used in?

International metric system

U.S. land surveying and cadastral records

European agricultural measurement

What is a key reason to convert from acre (US survey) to hectare?

To express small land areas more precisely

To align data with international land measurement standards

To convert volume units

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