Convert Hectares to Square Kilometers
ha to km² · area conversion
What are hectares and square kilometers?
A hectare is 10,000 square meters (about 2.47 acres), the metric unit for land area. A square kilometer is one million square meters, used for large regions and cities. For scale: a tennis court is about 261 m² (2,808 ft²), and a soccer pitch is roughly 0.7 hectares.
How to convert hectares to square kilometers
1 ha = 0.01 km². To convert, multiply the number of hectares by 0.01. For example, 5 ha = 0.05 km², and 20 ha = 0.2 km². To go the other way, multiply square kilometers by 100 (since 1 km² = 100 ha).
Hectares to Square Kilometers conversion table
| Hectares (ha) | Square Kilometers (km²) |
|---|---|
| 1 | 0.01 |
| 5 | 0.05 |
| 10 | 0.1 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 1,000 | 10 |
FAQ
What is 1 ha in km²?
1 ha = 0.01 km². To convert any amount, multiply the number of hectares by 0.01.
How do I convert square kilometers back to hectares?
Go the other way: 1 km² = 100 ha, so multiply square kilometers by 100 to get hectares.
Is a hectare bigger than a square kilometer?
No — 1 ha is the smaller unit, equal to 0.01 km² (it takes 100 ha to make one km²).
Are these area conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.