Convert Square Kilometers to Square Meters
km² to m² · area conversion
What are square kilometers and square meters?
A square kilometer is one million square meters, used for large regions and cities. A square meter is the SI unit of area, a square one meter on each side. 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 kilometers to square meters
1 km² = 1,000,000 m². To convert, multiply the number of square kilometers by 1,000,000. For example, 5 km² = 5,000,000 m², and 20 km² = 20,000,000 m². To go the other way, multiply square meters by 0.000001 (since 1 m² = 0.000001 km²).
Square Kilometers to Square Meters conversion table
| Square Kilometers (km²) | Square Meters (m²) |
|---|---|
| 1 | 1,000,000 |
| 5 | 5,000,000 |
| 10 | 10,000,000 |
| 25 | 25,000,000 |
| 50 | 50,000,000 |
| 100 | 100,000,000 |
| 1,000 | 1,000,000,000 |
FAQ
What is 1 km² in m²?
1 km² = 1,000,000 m². To convert any amount, multiply the number of square kilometers by 1,000,000.
How do I convert square meters back to square kilometers?
Go the other way: 1 m² = 0.000001 km², so multiply square meters by 0.000001 to get square kilometers.
Is a square kilometer bigger than a square meter?
Yes — 1 km² is the larger unit, equal to 1,000,000 m².
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.