Convert Square meter (m²) (m2) to Square kilometer (km²) (km2)
Category: Area
1 m2 = 1E-06 km2
High-precision rounding: 6 decimals
How to convert square meter (m²) to square kilometer (km²)
We convert by pivoting through the SI base unit for Area and applying exact factors where applicable.
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Quick conversion table
Handy values for Square meter (m²) → Square kilometer (km²). Click a value to open that exact result.
Conversion formula
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Squaring a length conversion factor incorrectly or forgetting to square it.
Unit facts
- Square meter (m²): A square meter (m²) is the SI unit of area (1 m × 1 m).
About Area
Area equals length squared. It appears in real estate, land management, material takeoffs, and GIS. Square meters are SI standard; acres and hectares are common for land reporting in different regions.
About Square meter (m²)
Square meter (m²)
SI unit of area; equals the area of a square 1 m on a side. Used from floor plans to satellite remote sensing products.
History: Defined from the meter; fundamental for land measurement and building codes.
About Square kilometer (km²)
Square kilometer (km²) is a commonly used unit within the Area category.
Related conversions from m2
Related conversions to km2
- acre → km2 Acre
- ha → km2 Hectare (ha)
- ft2 → km2 Square foot (ft²)
- yd2 → km2 Square yard (yd²)