Square Kilometers to Square Miles

What are Square Kilometers and Square Miles?

A square kilometer (km²) is a unit of area measurement in the metric system. One square kilometer equals the area of a square with sides of 1 kilometer, which is 1,000,000 square meters. It is commonly used to measure the area of cities, regions, and countries.

A square mile (mi²) is a unit of area measurement in the imperial system. One square mile equals the area of a square with sides of 1 mile. It is widely used in the United States and United Kingdom for measuring land area and territories.

Square Kilometers to Square Miles Formula

To convert square kilometers to square miles, use this formula:

Practical Conversion Examples

• 1 sq km = 0.386102 sq miles
• 10 sq km = 3.86102 sq miles
• 100 sq km = 38.6102 sq miles
• 1,000 sq km = 386.102 sq miles

Common Applications

• Geography: comparing areas of countries and regions
• Real Estate: evaluating land parcel sizes
• Science: environmental and climate research
• Travel: understanding territory scales