Formula
m² to km² conversion formula
Use this relationship for a direct conversion:
km² = m² x 0.000001
Worked example
2 m² = 0.000002 km².
Values derived from exact metric and international length definitions.
Area conversion
Convert Square meter to Square kilometer
1 square meter (m²) equals 0.000001 square kilometer (km²). Enter any value below to convert from m² to km².
Enter a value and choose units. Results update instantly.
1 m² = 0.000001 km²
All Area units
From 1 m²| Unit | Value |
|---|---|
| Square meter m² | 1 |
| Square kilometer km² | 0.000001 |
| Square centimeter cm² | 10,000 |
| Square millimeter mm² | 1,000,000 |
| Square inch in² | 1,550.0031000062 |
| Square foot ft² | 10.7639104167 |
| Square yard yd² | 1.1959900463 |
| Square mile mi² | 0.0000003861 |
| Acre ac | 0.0002471054 |
| Hectare ha | 0.0001 |
Recent conversions
- Your recent conversions stay on this device.
Quick reference
Square meter to Square kilometer table
| Square meter (m²) | Square kilometer (km²) |
|---|---|
| 0.01 | 0.00000001 |
| 0.1 | 0.0000001 |
| 1 | 0.000001 |
| 2 | 0.000002 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 25 | 0.000025 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 1,000 | 0.001 |
From unit
About the square meter
The area of a square with one-meter sides.
Symbol: m²
To unit
About the square kilometer
One million square meters.
Symbol: km²
Keep converting
Related conversions
Source
Conversion standard
Definitions are checked against NIST SP 811: Area units. Calculations use full internal precision before display rounding.
View the complete area converterQuestions
m² to km² FAQ
How do you convert square meter to square kilometer?
Use the formula km² = m² x 0.000001. 1 square meter (m²) equals 0.000001 square kilometer (km²).
Is the m² to km² conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.