Convert Square Mile to Square Kilometer
Other Square Mile Conversions
- Square Mile to Square Meter
- Square Mile to Square Yard
- Square Mile to Square Foot
- Square Mile to Square Inch
- Square Mile to Hectare
- Square Mile to Acre
- See also: Square Kilometer to Square Mile
Conversion Table
| 0.1 mi² | 0.258998811 km² |
| 0.5 mi² | 1.294994055 km² |
| 1 mi² | 2.58998811 km² |
| 5 mi² | 12.94994055 km² |
| 10 mi² | 25.8998811 km² |
| 50 mi² | 129.4994055 km² |
| 100 mi² | 258.998811 km² |
| 500 mi² | 1,294.994055 km² |
| 1,000 mi² | 2,589.98811 km² |
| Units in Square Mile | Units in Square Kilometer |
|---|---|
| 1 Square Kilometer = 0.3861021585 Square Mile | 1 Square Kilometer = 1 Square Kilometer |
| 1 Square Meter = 0.000000386102 Square Mile | 1 Square Meter = 0.000001 Square Kilometer |
| 1 Square Mile = 1 Square Mile | 1 Square Mile = 2.58998811 Square Kilometer |
| 1 Square Yard = 0.000000322831 Square Mile | 1 Square Yard = 0.000000836127 Square Kilometer |
| 1 Square Foot = 0.00000003587 Square Mile | 1 Square Foot = 0.000000092903 Square Kilometer |
| 1 Square Inch = 2.4910e-10 Square Mile | 1 Square Inch = 6.4516e-10 Square Kilometer |
| 1 Hectare = 0.003861021585 Square Mile | 1 Hectare = 0.01 Square Kilometer |
| 1 Acre = 0.0015625 Square Mile | 1 Acre = 0.004046856422 Square Kilometer |
On this page you can convert square mile (mi²) to square kilometer (km²) quickly and easily. One square mile equals 2.58998811 square kilometers, and one square kilometer equals 0.3861021585 square miles. Type any value in the converter above and the result appears right away.
The square mile is a large area unit used in the United States and the United Kingdom. It equals about 2.59 square kilometers. Its symbol is mi².
The square kilometer is a metric area unit equal to one million square meters. It is used for cities, lakes, and countries. Its symbol is km².
To convert from square mile to square kilometer, multiply the number of square miles by 2.58998811. For example: 5 mi² × 2.58998811 = 12.94994055 km², and 20 mi² × 2.58998811 = 51.79976221 km². To go the other way, from square kilometer to square mile, divide by 2.58998811 instead.
This area converter is free, works on your phone and computer, and even works offline after your first visit. The tables above give you ready answers for the most common values, and you will also find links to more square mile conversions.