Convert Square Meters to Square Kilometers
m² to km² · area conversion
What are square meters and square kilometers?
A square meter is the SI unit of area, a square one meter on each side. A square kilometer is one million square meters, used for large regions and cities. For scale: a tennis court is about 261 m² (2,808 ft²), and a soccer pitch is roughly 0.7 hectares.
How to convert square meters to square kilometers
1 m² = 0.000001 km². To convert, multiply the number of square meters by 0.000001. For example, 5 m² = 0.000005 km², and 20 m² = 0.00002 km². To go the other way, multiply square kilometers by 1,000,000 (since 1 km² = 1,000,000 m²).
Square Meters to Square Kilometers conversion table
| Square Meters (m²) | Square Kilometers (km²) |
|---|---|
| 1 | 0.000001 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 25 | 0.000025 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 1,000 | 0.001 |
FAQ
What is 1 m² in km²?
1 m² = 0.000001 km². To convert any amount, multiply the number of square meters by 0.000001.
How do I convert square kilometers back to square meters?
Go the other way: 1 km² = 1,000,000 m², so multiply square kilometers by 1,000,000 to get square meters.
Is a square meter bigger than a square kilometer?
No — 1 m² is the smaller unit, equal to 0.000001 km² (it takes 1,000,000 m² to make one km²).
Are these area conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.