1 square kilometer (km²) = 1,000,000 square meters (m²). To convert, multiply by 1,000,000: m² = km² × 1,000,000. For example, 5 km² = 5,000,000 m².
m² = km² × 1,000,000
Square kilometers to square meters table
| Square kilometers (km²) | Square meters (m²) |
|---|---|
| 1 | 1,000,000 |
| 2 | 2,000,000 |
| 3 | 3,000,000 |
| 4 | 4,000,000 |
| 5 | 5,000,000 |
| 10 | 10,000,000 |
| 20 | 20,000,000 |
| 25 | 25,000,000 |
| 50 | 50,000,000 |
| 100 | 100,000,000 |
| 250 | 250,000,000 |
| 500 | 500,000,000 |
| 1,000 | 1,000,000,000 |
The two units
Square kilometer (km²). One million square meters, or 100 hectares.
Square meter (m²). The SI unit of area: a square one meter on each side.
Because both units are defined in terms of the same base unit, the factor 1,000,000 is exact, not a rounded measurement.
Convert square kilometers to other units
- Square kilometers to square centimeters — 1 km² = 10,000,000,000 cm²
- Square kilometers to hectares — 1 km² = 100 ha
- Square kilometers to acres — 1 km² = 247.1053815 ac
- Square kilometers to square feet — 1 km² = 10,763,910.42 ft²
- Square kilometers to square inches — 1 km² = 1,550,003,100 in²
- Square kilometers to square yards — 1 km² = 1,195,990.046 yd²
- Square kilometers to square miles — 1 km² = 0.3861021585 mi²
Convert other units to square meters
Questions people ask
- How many square meters are in a square kilometer?
- 1,000,000, exactly.
- How do you convert square kilometers to square meters?
- m² = km² × 1,000,000. It is the same as dividing by 0.000001.
- How do you convert square meters back to square kilometers?
- km² = m² ÷ 1,000,000. See square meters to square kilometers.
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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