Convert square perch to square mile (US survey)
Please provide values below to convert square perch [sq pch] to square mile (US survey) [mi^2 (US)], or Convert square mile (US survey) to square perch.
How to Convert Square Perch to Square Mile (Us Survey)
1 sq pch = 9.76558605730386e-06 mi^2 (US)
Example: convert 15 sq pch to mi^2 (US):
15 sq pch = 15 × 9.76558605730386e-06 mi^2 (US) = 0.000146483790859558 mi^2 (US)
Square Perch to Square Mile (Us Survey) Conversion Table
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Square Perch
A square perch is a unit of area measurement equal to the area of a square with one perch (16.5 feet) on each side.
History/Origin
The square perch, also known as a square rod or perche, originated in the British Imperial system and was traditionally used in land measurement, especially in the UK and former British colonies.
Current Use
Today, the square perch is largely obsolete and rarely used, having been replaced by metric units such as square meters. It may still be encountered in historical land records or in regions where traditional units persist.
Square Mile (Us Survey)
A square mile (US survey) is a unit of area equal to the area of a square with sides of one mile, specifically used in the United States survey system.
History/Origin
The square mile has been used historically in land measurement and mapping in the United States, originating from the British imperial system. It is commonly employed in surveying and land division, especially in rural and agricultural contexts.
Current Use
Today, the square mile (US survey) is primarily used in land surveying, real estate, and geographic data within the United States, particularly for measuring large land areas such as counties, states, and national parks.