Convert square chain to square mile
Please provide values below to convert square chain [ch^2] to square mile [mi^2], or Convert square mile to square chain.
How to Convert Square Chain to Square Mile
1 ch^2 = 0.00015625 mi^2
Example: convert 15 ch^2 to mi^2:
15 ch^2 = 15 × 0.00015625 mi^2 = 0.00234375 mi^2
Square Chain to Square Mile Conversion Table
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Square Chain
A square chain (ch^2) is a unit of area equal to the area of a square with sides measuring one chain (66 feet) each, equivalent to 4356 square feet.
History/Origin
The square chain originated in land measurement practices in England, particularly used in surveying and land division during the 19th century, especially in the context of the Imperial system.
Current Use
Today, the square chain is largely obsolete and rarely used outside historical or land survey contexts; modern measurements typically employ acres or square meters.
Square Mile
A square mile is a unit of area measurement equal to the area of a square with sides of one mile each.
History/Origin
The square mile has been used historically in the United States and the United Kingdom for land measurement, especially in surveying and real estate, originating from the imperial system of units.
Current Use
Today, the square mile is primarily used in the United States and the UK for measuring land areas, such as in real estate, geography, and environmental studies, within the context of the 'Area' converter in 'Common Converters'.