Convert Square Meter to Square Kilometer
Use this free converter to change square meters (m²) into square kilometers (km²). Square meter and square kilometer both measure area. As a quick reference, 1 m² equals 0.000001 km², and 1 km² equals 1000000 m².
Free · runs in your browser · no sign-up
Square Kilometer (km²)
0.000001
1 m² = 0.000001 km²
Area conversion table
| Square Meter | Square Kilometer |
|---|---|
| 0.01 | 1.0000e-8 |
| 0.1 | 1.0000e-7 |
| 0.5 | 5.0000e-7 |
| 1 | 0.000001 |
| 2 | 0.000002 |
| 3 | 0.000003 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 20 | 0.00002 |
| 25 | 0.000025 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 1,000 | 0.001 |
How to convert Square Meter to Square Kilometer
Multiply the square meter value by 0.000001 to get square kilometers.
- Enter the number of square meters you want to convert.
- The converter instantly shows the equivalent value in square kilometers.
- Worked example: 15 m² × 0.000001 = 0.000015 km².
- Use the swap button to reverse the conversion (square kilometer to square meter).
About these units
Square Meter (m²)
- Definition
- A square meter (m²) is the SI unit of area — the area of a square one meter on each side.
- History
- It is the derived SI area unit, defined directly from the meter.
- Current use
- Square meters express floor area, land, and material coverage across the metric world.
Square Kilometer (km²)
- Definition
- A square kilometer (km²) is the area of a square one kilometer on each side, equal to 1,000,000 square meters.
- History
- It is a metric multiple of the square meter for large areas.
- Current use
- Square kilometers measure the area of cities, regions, lakes, and countries.
Frequently asked questions
How many square kilometers are in a square meter?
There are 0.000001 km² in 1 m². To convert, multiply the number of square meters by 0.000001.
How do I convert square meters to square kilometers?
Multiply the square meter value by 0.000001 to get square kilometers. For example, 10 m² = 0.00001 km².
Is this square meter-to-square kilometer converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Square Meter to other area units
| Unit | 1 Square Meter equals |
|---|---|
| Square Kilometer (km²) | 0.000001 km² |
| Square Centimeter (cm²) | 10000 cm² |
| Square Mile (mi²) | 3.8610e-7 mi² |
| Square Yard (yd²) | 1.19599 yd² |
| Square Foot (ft²) | 10.76391 ft² |
| Square Inch (in²) | 1550.0031 in² |
| Acre (ac) | 0.00024710538 ac |
| Hectare (ha) | 0.0001 ha |