How to convert hectares to square kilometers
To convert hectares to square kilometers, multiply by 0.01. Area conversions are essential for real estate, flooring, land surveys, farming and map reading.
Hectare to Square Kilometer conversion table
| Hectare (ha) | Square Kilometer (km²) |
|---|---|
| 0.1 ha | 0.001 km² |
| 0.5 ha | 0.005 km² |
| 1 ha | 0.01 km² |
| 2 ha | 0.02 km² |
| 3 ha | 0.03 km² |
| 4 ha | 0.04 km² |
| 5 ha | 0.05 km² |
| 10 ha | 0.1 km² |
| 20 ha | 0.2 km² |
| 25 ha | 0.25 km² |
| 50 ha | 0.5 km² |
| 100 ha | 1 km² |
| 500 ha | 5 km² |
| 1,000 ha | 10 km² |
About the units
Hectare (ha)
A hectare equals 10,000 m² (a 100 m × 100 m square) and is the metric unit for farmland.
Square Kilometer (km²)
A square kilometer equals 1,000,000 m² and measures cities, lakes and countries.
How to use this converter
- Type the number of hectares (ha) in the input box.
- The result in square kilometers appears instantly — no button needed.
- See the same value in every other area unit just below.
- Use “Swap units” to convert square kilometers back to hectares.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many square kilometers are in one hectare?
One hectare equals 0.01 square kilometers. 0.01 is the exact factor used by this converter.
How do I convert hectares to square kilometers?
Multiply the value in hectares by 0.01. To go the other way, multiply square kilometers by 100.
What is 10 ha in km²?
10 ha = 0.1 km². Also, 5 ha = 0.05 km² and 100 ha = 1 km².
What is the difference between a hectare and a square kilometer?
A hectare equals 10,000 m² (a 100 m × 100 m square) and is the metric unit for farmland. A square kilometer equals 1,000,000 m² and measures cities, lakes and countries.
Is this tool free and private?
Yes — the Hectare to Square Kilometer is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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