Square Miles to Square Kilometers Converter
Convert square miles (sq mi) to square kilometers (sq km) instantly with our fast and accurate conversion tool.
What is a Square Mile?
A square mile is an imperial unit of area commonly used to measure large regions, cities, and land areas.
What is a Square Kilometer?
A square kilometer is a metric unit used to measure large areas of land and geographic regions.
How to Convert Square Miles to Square Kilometers
Multiply the number of square miles by 2.58999.
Example:
10 × 2.58999 = 25.90 sq km
Square Mile to Square Kilometer
Conversion Table
Square Mile [sq mi]
0.01 sq mi
0.1 sq mi
1 sq mi
2 sq mi
3 sq mi
5 sq mi
10 sq mi
20 sq mi
50 sq mi
100 sq mi
1000 sq mi
Square Kilometer [sq km]
0.0258998811 sq km
0.258998811 sq km
2.5899881103 sq km
5.1799762207 sq km
7.769964331 sq km
12.9499405517 sq km
25.8998811034 sq km
51.7997622067 sq km
129.4994055168 sq km
258.9988110336 sq km
2589.988110336 sq km
FAQs
A: 1 square mile equals 2.58999 square kilometers.
A: Yes, a square mile is larger than a square kilometer.
A: Many countries use square kilometers for geographic measurements.