Convert Square Miles (mi²) to Square Kilometers (km²)

1 mi² = 2.589988 km². Enter any value in mi² below and see it expressed in km² with full precision.

2.59

Formula

1 mi² = 2.589988 km²

To convert mi² to km², multiply the value by 2.589988.

Conversion Table

Square Miles to Square Kilometers Conversion Table
Square Miles (mi²)Square Kilometers (km²)
0.01 mi²0.0259 km²
0.1 mi²0.259 km²
0.5 mi²1.295 km²
1 mi²2.59 km²
2 mi²5.18 km²
3 mi²7.77 km²
5 mi²12.9499 km²
10 mi²25.8999 km²
15 mi²38.8498 km²
20 mi²51.7998 km²
25 mi²64.7497 km²
50 mi²129.4994 km²
100 mi²258.9988 km²
250 mi²647.497 km²
500 mi²1294.9941 km²
1000 mi²2589.9881 km²
2500 mi²6474.9703 km²
5000 mi²12949.9405 km²
10000 mi²25899.8811 km²
50000 mi²129499.4055 km²

Common mi² to km² Examples

Frequently Asked Questions

1 mi² equals 2.589988 km². This ratio applies to every conversion between the two units.

The formula is 1 mi² = 2.589988 km². To convert any value, multiply the value by 2.589988.

Take the value in mi² and multiply the value by 2.589988. The result is the same value expressed in km².

The ratio 2.589988 is defined to high precision and is exact for most practical purposes. Rounding only matters when many decimal places are needed.

For everyday use, 2 to 4 decimal places are enough. Scientific or engineering work may require 6 or more.

Yes. Simply invert the ratio: divide the km² value by 2.589988 to get the equivalent in mi².