Hectares to Square Kilometers Converter
1 hectare = 0.01 square kilometers
1 hectare equals 0.01 square kilometers
How to convert hectares to square kilometers
Area factors are squared length factors: 1 ft² = (0.3048 m)². The acre here uses international feet; historic US survey acres differ slightly.
km² = ha × 0.01One hectare is 0.01 square kilometers, so a single multiplication converts any value.
0.1 km² = 10 × 0.01Hectares to square kilometers conversion table
Common values in hectares, converted to square kilometers.
| Hectares (ha) | Square kilometers (km²) |
|---|---|
| 1 | 0.01 |
| 2 | 0.02 |
| 3 | 0.03 |
| 4 | 0.04 |
| 5 | 0.05 |
| 10 | 0.1 |
| 20 | 0.2 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 250 | 2.5 |
| 500 | 5 |
| 1,000 | 10 |
About these units
hectareha
Exactly 10,000 square metres, a square 100 m on each side. The metric land unit.
square kilometerkm²
One million square metres. Used for land area and geographic regions.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.