To convert square miles to square kilometers, use km2 = mi2 × 2.5899881103. This Square Miles to Square Kilometers page gives a calculator, formula, table, and worked example for mi2 to km2. It also explains the square mile to square kilometer relationship so you can convert square miles to square kilometers quickly and check the result.
Use this page to convert square miles to square kilometers, compare mi2 to km2, and check the square mile to square kilometer conversion with a formula, examples, and a reference table.
Result: 1 Square Mile = 2.5899881103 Square Kilometer
The calculator converts 1 Square Mile to Square Kilometer and formats the result as 2.5899881103 Square Kilometer.
Formula
1 mi2 = 2.5899881103 km2
Example: convert 1 square miles to square kilometers
Formula: km2 = mi2 × 2.5899881103
Calculation: 1 × 2.5899881103 = 2.5899881103 -> 1 square miles = 2.5899881103 square kilometers
Result: 1 square miles = 2.5899881103 square kilometers
| Square Miles (mi2) | Square Kilometers (km2) |
|---|---|
| 0.01 mi2 | 0.0258998811 km2 |
| 0.1 mi2 | 0.258998811 km2 |
| 1 mi2 | 2.5899881103 km2 |
| 2 mi2 | 5.1799762207 km2 |
| 5 mi2 | 12.9499405517 km2 |
| 10 mi2 | 25.8998811034 km2 |
| 12 mi2 | 31.079857324 km2 |
| 50 mi2 | 129.4994055168 km2 |
| 100 mi2 | 258.9988110336 km2 |
| 1000 mi2 | 2,589.988110336 km2 |
The symbol for square mile is mi2.
square mile is a area unit supported by this converter. The symbol for square mile is mi2.
Square Miles are used when comparing area values in calculators, reference tables, and technical notes.
This page uses the area conversion factor stored for square mile to keep results consistent across the calculator and table.
The symbol for square kilometer is km2.
square kilometer is a area unit supported by this converter. The symbol for square kilometer is km2.
Square Kilometers are used when comparing area values in calculators, reference tables, and technical notes.
This page uses the area conversion factor stored for square kilometer to keep results consistent across the calculator and table.
To convert square miles to square kilometers, use km2 = mi2 × 2.5899881103. This is the main mi2 to km2 formula used by the calculator and table.
1 mi2 equals 2.5899881103 km2.
1 km2 equals 0.3861021585 mi2.
mi2 to km2 is the abbreviated form of square mile to square kilometer. It uses mi2 for square mile and km2 for square kilometer.