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Convert Square Kilometer to Square Mile

Square Kilometer (km²)
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Square Mile (mi²)

Square Kilometer

The square kilometer (km²) is a unit of area in the metric system, equal to the area of a square with sides that are each 1 kilometer long. One square kilometer is equivalent to 1,000,000 square meters or 100 hectares. It is commonly used to measure large areas, such as the size of cities, countries, and geographical regions.

Origin:

The square kilometer is derived from the kilometer, which is a unit of length in the metric system. The kilometer itself was introduced in the 18th century as part of the metric system, based on the meter, which was originally defined as one ten-millionth of the distance from the North Pole to the equator. The square kilometer, like other area units in the metric system, is based on the square of the unit of length. As the metric system became more widely adopted worldwide, the square kilometer became a standard unit for measuring large areas, particularly in geography, urban planning, and land management.

Square Mile

A square mile (mi²) is a unit of area commonly used in the imperial system and the U.S. customary system. It is defined as the area of a square with sides that are each 1 mile long. One square mile is equal to 640 acres or 2.589 square kilometers, which is approximately 2,589,988 square meters.

Origin:

The square mile has its origins in the mile, which was derived from the Roman mille passus (meaning "a thousand paces"). The mile was standardized over time and was originally used for measuring long distances, especially for travel and trade. The concept of the square mile, as a unit of area, developed as a way to quantify larger land areas, especially in countries using the imperial system. The square mile has been widely used in the United States, the United Kingdom, and other countries that still follow the imperial system for measuring large areas such as land, real estate, and geographical regions. Despite the global trend toward metric units, the square mile remains an important unit for land measurement in these regions.

Convert Square Kilometer to other area-converter units

1 Square Kilometer = 1000000 Square Meter

1 Square Kilometer = 1 Square Kilometer

1 Square Kilometer = 10000000000 Square Centimeter

1 Square Kilometer = 1000000000000 Square Millimeter

1 Square Kilometer = 1e+24 Square Nanometer

1 Square Kilometer = 1000000000000000000 Square Micrometer

1 Square Kilometer = Hectare

1 Square Kilometer = Acre

1 Square Kilometer = 0.3861021585 Square Mile

1 Square Kilometer = 1195990.0463 Square Yard

1 Square Kilometer = 10763910.417 Square Feet

1 Square Kilometer = 1550003100 Square Inch