Hectare to Square Kilometre
Free instant hectare to square kilometre converter. 1 ha = 0.01 km².
Common Hectare to Square Kilometre values
| Hectare (ha) | Square Kilometre (km²) |
|---|---|
| 1 | 0.01 |
| 5 | 0.05 |
| 10 | 0.1 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 500 | 5 |
| 1000 | 10 |
How does Hectare to Square Kilometre conversion work?
Type a value in the Hectare (ha) field and the equivalent in Square Kilometre (km²) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Hectare. A square 100 metres on each side. About 2.47 acres. The standard land-area unit in most metric countries.
Square Kilometre. A square one kilometre on each side. Equal to 100 hectares or about 247 acres.
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🎯 Accurate conversions
Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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