# Square Kilometers to Square Miles Converter

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Convert Square Miles to Square Kilometers (sq mi to sq km) ▶

## Conversion Table

 square kilometers to square miles sq km sq mi 1 sq km 0.3861 sq mi 2 sq km 0.7722 sq mi 3 sq km 1.1583 sq mi 4 sq km 1.5444 sq mi 5 sq km 1.9305 sq mi 6 sq km 2.3166 sq mi 7 sq km 2.7027 sq mi 8 sq km 3.0888 sq mi 9 sq km 3.4749 sq mi 10 sq km 3.861 sq mi 11 sq km 4.2471 sq mi 12 sq km 4.6332 sq mi 13 sq km 5.0193 sq mi 14 sq km 5.4054 sq mi 15 sq km 5.7915 sq mi 16 sq km 6.1776 sq mi 17 sq km 6.5637 sq mi 18 sq km 6.9498 sq mi 19 sq km 7.3359 sq mi 20 sq km 7.722 sq mi

## How to convert

1 square kilometer (sq km) = 0.386102158592535 square mile (sq mi). Square Kilometer (sq km) is a unit of Area used in Metric system. Square Mile (sq mi) is a unit of Area used in Standard system.

## 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
Square kilometers also can be marked as Square kilometres and km2.

## 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 miles can also be marked as mi2.

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