Convert UnitsFast, accurate unit conversions
Area

Square kilometers to square miles Converter

Convert square kilometer to square mile instantly.

Formulami² = km² × 0.386102158542
Sources and methodology1 km² = 0.386102158542 mi² — exactly. exactly

Quick conversion table

square kilometersquare mile
1 km²0.386102158542 mi²
10 km²3.86102158542 mi²
50 km²19.3051079271 mi²
100 km²38.6102158542 mi²
500 km²193.051079271 mi²
1000 km²386.102158542 mi²
5000 km²1930.51079271 mi²
10000 km²3861.02158542 mi²

Unit definitions

square kilometer (km²)

square kilometer is a unit of Area. In this converter it is defined against the category base unit as 1 km² = 1000000 m².

square mile (mi²)

square mile is a unit of Area. In this converter it is defined against the category base unit as 1 mi² = 2589988.11034 m².

Example

10 km² = 3.86102158542 mi²

Sources and methodology

Definitions: BIPM SI Brochure and NIST conversion guidance. Methodology.