How to convert square meters to square kilometers
To convert square meters to square kilometers, multiply by 0.000001. Area conversions are essential for real estate, flooring, land surveys, farming and map reading.
Square Meter to Square Kilometer conversion table
| Square Meter (m²) | Square Kilometer (km²) |
|---|---|
| 0.1 m² | 1e-7 km² |
| 0.5 m² | 5e-7 km² |
| 1 m² | 0.000001 km² |
| 2 m² | 0.000002 km² |
| 3 m² | 0.000003 km² |
| 4 m² | 0.000004 km² |
| 5 m² | 0.000005 km² |
| 10 m² | 0.00001 km² |
| 20 m² | 0.00002 km² |
| 25 m² | 0.000025 km² |
| 50 m² | 0.00005 km² |
| 100 m² | 0.0001 km² |
| 500 m² | 0.0005 km² |
| 1,000 m² | 0.001 km² |
About the units
Square Meter (m²)
The square meter is the SI unit of area, used for floor space and property listings worldwide.
Square Kilometer (km²)
A square kilometer equals 1,000,000 m² and measures cities, lakes and countries.
How to use this converter
- Type the number of square meters (m²) in the input box.
- The result in square kilometers appears instantly — no button needed.
- See the same value in every other area unit just below.
- Use “Swap units” to convert square kilometers back to square meters.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many square kilometers are in one square meter?
One square meter equals 0.000001 square kilometers. 0.000001 is the exact factor used by this converter.
How do I convert square meters to square kilometers?
Multiply the value in square meters by 0.000001. To go the other way, multiply square kilometers by 1,000,000.
What is 10 m² in km²?
10 m² = 0.00001 km². Also, 5 m² = 0.000005 km² and 100 m² = 0.0001 km².
What is the difference between a square meter and a square kilometer?
The square meter is the SI unit of area, used for floor space and property listings worldwide. A square kilometer equals 1,000,000 m² and measures cities, lakes and countries.
Is this tool free and private?
Yes — the Square Meter to Square Kilometer is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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