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How to Convert from Square Perch to Acre (US survey) [ac]
Convert area measurements from the historical unit square perch to the modern acre (US survey) unit using a precise conversion factor. Ideal for land surveying, legal conveyancing, and historical land record interpretation.
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Square perch to Acre (US survey) [ac] Conversion Table
| Square perch | Acre (US survey) [ac] |
|---|
Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Square perch | Acre (US survey) [ac] |
|---|
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What Is This Tool?
This unit converter helps you transform area values measured in square perch—a traditional British and American land measurement—into acres using the U.S. survey foot standard. It is useful for legal, surveying, and historical land record purposes.
How to Use This Tool?
- Enter the area value in square perch units.
- Select the target unit as acre (US survey) [ac].
- Click the convert button to get the equivalent acreage.
- Review the result to apply in your land surveying or legal documents.
Key Features
- Converts square perch values to U.S. survey acres efficiently.
- Supports interpretation of legacy land measurements in modern terms.
- Facilitates legal and cadastral survey data translation.
- Browser-based and easy to use with simple input controls.
Examples
- 10 square perch converts to about 0.0625 acre (US survey).
- 100 square perch converts to about 0.625 acre (US survey).
Common Use Cases
- Translating historical land deeds and estate records into modern area units.
- Interpreting cadastral maps and survey data for legal conveyancing in the U.S.
- Genealogical research involving property descriptions recorded in legacy units.
- Assessing small agricultural plots and allotments using pre-metric area units.
Tips & Best Practices
- Verify original measurement units in historical documents before conversion.
- Use this tool to standardize area values for legal and survey accuracy.
- Be cautious with historical data due to potential variations in original measurement precision.
Limitations
- Square perch is a less commonly used historical unit today requiring careful interpretation.
- Minor rounding errors might occur due to differences between international and U.S. survey foot definitions.
Frequently Asked Questions
- What is a square perch?
- A square perch is a historical area unit defined as a square with sides of one perch (16.5 feet), equal to 272.25 square feet, and exactly 1/160 of an acre.
- What is an acre (US survey)?
- The U.S. survey acre is an area unit equal to 43,560 square U.S. survey feet, primarily used in U.S. land surveying and legal boundary descriptions.
- Why convert square perch to acreage?
- Converting square perch to acreage allows interpreting legacy land measurements into modern units used in U.S. surveying, aiding legal conveyancing and land record analysis.
Key Terminology
- Square Perch
- A historical unit of area equal to a square of one perch (16.5 feet) on each side, equivalent to 272.25 square feet and exactly 1/160 of an acre.
- Acre (US survey)
- A U.S. customary land measure of 43,560 square U.S. survey feet, used mainly for legal cadastral boundaries and surveying.
- Perch (Rod/Pole)
- A linear measurement equal to 16.5 feet, used to define sides of a square perch area.