Square Miles to Square Kilometers
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How to convert

1 square mile (sq mi) = 2.58998811 square kilometer (sq km). Square Mile (sq mi) is a unit of Area used in Standard system. Square Kilometer (sq km) is a unit of Area used in Metric system.

Square Mile: A Unit of Area

A square mile is a unit of area that measures the size of a surface. It is defined as the area of a square whose sides are one mile long. A square mile is equal to 640 acres, 2589988.11 square meters, or 2590000 square yards. It is also a common unit of area in the United States customary system and the imperial system.

How to Convert Square Mile to Other Units

To convert a square mile to other units of area, we need to multiply or divide by a conversion factor. A conversion factor is a number that relates two units of measurement. For example, to convert a square mile to a square meter, we need to multiply by 2589988.11, which is the conversion factor between these two units. Here are some common conversion factors for square mile and other units of area:

• 1 square mile = 2589988.11 square meters
• 1 square mile = 640 acres
• 1 square mile = 2590000 square yards
• 1 square mile = 27878400 square feet
• 1 square mile = 4014489600 square inches
• 1 square mile = 25899881100 square centimeters
• 1 square mile = 2589988110000 square millimeters

Square Kilometer: A Unit of Area

A square kilometer is a unit of area that measures the size of a surface. It is defined as the area of a square whose sides are one kilometer long. A square kilometer is equal to 1,000,000 square meters, 100 hectares, or 0.386102 square miles. It is also the base unit of area in the metric system.

How to Convert Square Kilometer to Other Units

To convert a square kilometer to other units of area, we need to multiply or divide by a conversion factor. A conversion factor is a number that relates two units of measurement. For example, to convert a square kilometer to a square mile, we need to multiply by 0.386102, which is the conversion factor between these two units. Here are some common conversion factors for square kilometer and other units of area:

• 1 square kilometer = 0.386102 square miles
• 1 square kilometer = 247.105 acres
• 1 square kilometer = 100 hectares
• 1 square kilometer = 1000000 square meters
• 1 square kilometer = 10000000000 square centimeters
• 1 square kilometer = 1000000000000 square millimeters