Square Meters to Square Kilometers Converter
Convert square meters (m²) to square kilometers (km²), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter an area, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 m² = 1e-6 km²
- 1 × 1e-6 = 1e-6 km²
How to convert square meters to square kilometers
1 m² = 1 × 10⁻⁶ km², so multiply by 1 to go from square meters to square kilometers. Going the other way, 1 km² = 1,000,000 m².
km² = m² × 1 m² = km² × 1,000,000
Worked example:
1 m² = 1e-6 km² 5 × 1e-6 = 5e-6 km²
Square Meters to square kilometers table
| Square Meters | Square Kilometers |
|---|---|
| 1 m² | 1 × 10⁻⁶ km² |
| 2 m² | 2 × 10⁻⁶ km² |
| 3 m² | 3 × 10⁻⁶ km² |
| 4 m² | 4 × 10⁻⁶ km² |
| 5 m² | 5 × 10⁻⁶ km² |
| 6 m² | 6 × 10⁻⁶ km² |
| 7 m² | 7 × 10⁻⁶ km² |
| 8 m² | 8 × 10⁻⁶ km² |
| 9 m² | 9 × 10⁻⁶ km² |
| 10 m² | 1 × 10⁻⁵ km² |
| 15 m² | 1.5 × 10⁻⁵ km² |
| 20 m² | 2 × 10⁻⁵ km² |
| 25 m² | 2.5 × 10⁻⁵ km² |
| 30 m² | 3 × 10⁻⁵ km² |
| 40 m² | 4 × 10⁻⁵ km² |
| 50 m² | 5 × 10⁻⁵ km² |
| 75 m² | 7.5 × 10⁻⁵ km² |
| 100 m² | 0.0001 km² |
| 250 m² | 0.00025 km² |
| 500 m² | 0.0005 km² |
| 1000 m² | 0.001 km² |
About the units
- Square Meters (m²)
- Square meters, a metric unit. Definition: BIPM SI Brochure.
- Square Kilometers (km²)
- Square kilometers, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
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