How to convert square kilometers to square meters
To convert square kilometers to square meters, multiply by 1,000,000. Area conversions are essential for real estate, flooring, land surveys, farming and map reading.
Square Kilometer to Square Meter conversion table
| Square Kilometer (km²) | Square Meter (m²) |
|---|---|
| 0.1 km² | 100,000 m² |
| 0.5 km² | 500,000 m² |
| 1 km² | 1,000,000 m² |
| 2 km² | 2,000,000 m² |
| 3 km² | 3,000,000 m² |
| 4 km² | 4,000,000 m² |
| 5 km² | 5,000,000 m² |
| 10 km² | 10,000,000 m² |
| 20 km² | 20,000,000 m² |
| 25 km² | 25,000,000 m² |
| 50 km² | 50,000,000 m² |
| 100 km² | 100,000,000 m² |
| 500 km² | 500,000,000 m² |
| 1,000 km² | 1,000,000,000 m² |
About the units
Square Kilometer (km²)
A square kilometer equals 1,000,000 m² and measures cities, lakes and countries.
Square Meter (m²)
The square meter is the SI unit of area, used for floor space and property listings worldwide.
How to use this converter
- Type the number of square kilometers (km²) in the input box.
- The result in square meters appears instantly — no button needed.
- See the same value in every other area unit just below.
- Use “Swap units” to convert square meters back to square kilometers.
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 meters are in one square kilometer?
One square kilometer equals 1,000,000 square meters. 1,000,000 is the exact factor used by this converter.
How do I convert square kilometers to square meters?
Multiply the value in square kilometers by 1,000,000. To go the other way, multiply square meters by 0.000001.
What is 10 km² in m²?
10 km² = 10,000,000 m². Also, 5 km² = 5,000,000 m² and 100 km² = 100,000,000 m².
What is the difference between a square kilometer and a square meter?
A square kilometer equals 1,000,000 m² and measures cities, lakes and countries. The square meter is the SI unit of area, used for floor space and property listings worldwide.
Is this tool free and private?
Yes — the Square Kilometer to Square Meter 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.
Related tools
📬 Get new tools first — free
Join Taurang to hear about new calculators, converters and features. No spam; unsubscribe anytime.