Convert square kilometer to square mile (US survey)
Please provide values below to convert square kilometer [km^2] to square mile (US survey) [mi^2 (US)], or Convert square mile (US survey) to square kilometer.
How to Convert Square Kilometer to Square Mile (Us Survey)
1 km^2 = 0.386100614138266 mi^2 (US)
Example: convert 15 km^2 to mi^2 (US):
15 km^2 = 15 × 0.386100614138266 mi^2 (US) = 5.79150921207399 mi^2 (US)
Square Kilometer to Square Mile (Us Survey) Conversion Table
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Square Kilometer
A square kilometer is a unit of area equal to the area of a square with sides measuring one kilometer each.
History/Origin
The square kilometer has been used as a standard unit of area measurement in the metric system since its adoption, primarily for measuring large land areas such as countries and regions.
Current Use
It is commonly used in geography, urban planning, and environmental studies to quantify land and area sizes, especially in contexts requiring large-scale measurements.
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.