How to convert Square meter to Square kilometer

Conversion factor and calculation steps from Square meter (m²) to Square kilometer (km²).

Conversion logic

Each unit is defined via the base unit (square meter (m²)). The value is first converted to the base unit, then to the selected unit.

1 km² = 1000000 m²

1 m² ÷ 1000000 = 1.00000000e-6 km²