1 square meter (m²) = 0.000001 square kilometers (km²). To convert, divide by 1,000,000: km² = m² ÷ 1,000,000. For example, 500,000 m² = 0.5 km².
km² = m² ÷ 1,000,000
Square meters to square kilometers table
| Square meters (m²) | Square kilometers (km²) |
|---|---|
| 100,000 | 0.1 |
| 200,000 | 0.2 |
| 300,000 | 0.3 |
| 400,000 | 0.4 |
| 500,000 | 0.5 |
| 1,000,000 | 1 |
| 2,000,000 | 2 |
| 2,500,000 | 2.5 |
| 5,000,000 | 5 |
| 10,000,000 | 10 |
| 25,000,000 | 25 |
| 50,000,000 | 50 |
| 100,000,000 | 100 |
The two units
Square meter (m²). The SI unit of area: a square one meter on each side.
Square kilometer (km²). One million square meters, or 100 hectares.
Because both units are defined in terms of the same base unit, the factor 0.000001 is exact, not a rounded measurement.
Convert square meters to other units
- Square meters to square centimeters — 1 m² = 10,000 cm²
- Square meters to hectares — 1 m² = 0.0001 ha
- Square meters to acres — 1 m² = 0.0002471054 ac
- Square meters to square feet — 1 m² = 10.76391042 ft²
- Square meters to square inches — 1 m² = 1,550.0031 in²
- Square meters to square yards — 1 m² = 1.195990046 yd²
- Square meters to square miles — 1 m² = 3.861022e-7 mi²
Convert other units to square kilometers
Questions people ask
- How many square kilometers are in a square meter?
- 0.000001, exactly.
- How do you convert square meters to square kilometers?
- km² = m² ÷ 1,000,000. It is the same as dividing by 1,000,000.
- How do you convert square kilometers back to square meters?
- m² = km² × 1,000,000. See square kilometers to square meters.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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