Square Miles to Square Kilometers Converter

Instantly convert Square Miles (mi²) to Square Kilometers (km²). Free online converter with formula and table.

mi²
km²
1 mi² = 2.59 km²
1 Square Mile = 2.59 square kilometers
1 Square Kilometer = 0.386102 square miles

Square Miles to Square Kilometers Conversion Table

Square Miles (mi²)Square Kilometers (km²)
12.59
25.18
37.77
410.36
512.9499
1025.8999
1538.8498
2051.7998
2564.7497
50129.4994
100258.9988
5001,294.99
1,0002,589.99

How to Convert Square Miles to Square Kilometers

km² = mi² × 2.59

Example

Convert 10 square miles to square kilometers:

10 mi² × 2.59 = 25.8999 km²

About These Units

Frequently Asked Questions

How many Square Kilometers are in a Square Mile?

There are 2.59 Square Kilometers in one Square Mile.

How do I convert Square Miles to Square Kilometers?

To convert Square Miles to Square Kilometers, multiply the value in Square Miles by 2.59. For example, 10 Square Miles = 10 × 2.59 = 25.8999 Square Kilometers.

What is the formula to convert Square Miles to Square Kilometers?

The formula is: Square Kilometers (km²) = Square Miles (mi²) × 2.59

How do I convert Square Kilometers back to Square Miles?

To convert Square Kilometers to Square Miles, multiply by 0.386102 (or divide by 2.59).