Square meters (m²) to Square kilometers (km²) Conversion
Square meters
The square metre is the SI derived unit of area, defined as the area of a square whose sides each measure exactly one metre. It is the standard unit for floor areas in architecture and real estate, land parcels in urban planning, and cross-sectional areas in engineering. The surface area of a tennis court is approximately 260 m², a standard football pitch about 7,140 m², and a hectare equals exactly 10,000 m².
Square kilometers
The square kilometre is a unit of area equal to one million square metres (10⁶ m²) and is the standard unit for expressing the surface areas of countries, cities, lakes, forests, and other large geographic features. Russia, the world's largest country, covers approximately 17.1 million km². The surface area of Earth is approximately 510.1 million km², of which about 70.8% is ocean.
| Square meters (m²) | Square kilometers (km²) |
|---|---|
| 0.1 m² | 0.0000001 km² |
| 1 m² | 0.000001 km² |
| 2 m² | 0.000002 km² |
| 3 m² | 0.000003 km² |
| 5 m² | 0.000005 km² |
| 10 m² | 0.00001 km² |
| 20 m² | 0.00002 km² |
| 30 m² | 0.00003 km² |
| 50 m² | 0.00005 km² |
| 100 m² | 0.0001 km² |
| 1000 m² | 0.001 km² |
Frequently Asked Questions (FAQ)
How many square kilometers are in 1 square meters?
1 square meters (m²) is exactly 0.000001 square kilometers (km²).
How do I convert square meters to square kilometers?
Multiply the value in square meters by 0.000001 to get the result in square kilometers. Or use the converter above — type any number and see the result instantly.