📐 Area

Square Miles to Square Kilometers

mi² → km² converter with instant results

Convert Square Miles to Square Kilometers

Formula
mi² × 2.59 = km²

Conversion Table

Square Miles (mi²)Square Kilometers (km²)
0.01 mi²0.0259 km²
0.1 mi²0.258999 km²
0.25 mi²0.647497 km²
0.5 mi²1.295 km²
1 mi²2.59 km²
2 mi²5.18 km²
5 mi²12.9499 km²
10 mi²25.8999 km²
25 mi²64.7497 km²
50 mi²129.50 km²
100.00 mi²259.00 km²
250.00 mi²647.50 km²
500.00 mi²1294.99 km²
1000.00 mi²2589.99 km²

How to Convert Square Miles to Square Kilometers

To convert square miles to square kilometers: Multiply by 2.59.

The conversion factor is: 1 mi² = 2.59 km². Conversely, 1 km² = 0.386102 mi².

About Square Miles

Square Miles is one of the units people run into when comparing area values across garden planning and paint planning. On this page, it serves as the starting unit so you can translate that value directly into Square Kilometers without switching tools or estimating by hand.