Convert Hectare (ha) (ha) to Square kilometer (km²) (km2)
Category: Area
1 ha = 0.01 km2
High-precision rounding: 6 decimals
How to convert hectare (ha) 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 Hectare (ha) → 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
- Hectare (ha): A hectare (ha) is 10,000 m² (100 m × 100 m); common in agriculture and land planning.
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 Hectare (ha)
Hectare (ha)
Equals 10,000 m² (100 m × 100 m). Convenient for land, forestry, and GIS datasets.
History: Adopted with the metric system to provide a practical large-area unit aligned to decimal meters.
About Square kilometer (km²)
Square kilometer (km²) is a commonly used unit within the Area category.
Related conversions from ha
Related conversions to km2
- acre → km2 Acre
- ft2 → km2 Square foot (ft²)
- m2 → km2 Square meter (m²)
- yd2 → km2 Square yard (yd²)