Conversions
| Metric and imperial/US customary comparisons | |||||
| Unit | Symbol | Metric equivalents | Imperial/US customary equivalents | ||
| centiare | ca | 1 m2 | 0.01 a | 1.19599 sq yd | |
| are | a | 100 ca | 100 m2 | 0.01 ha | 3.95369 perches |
| decare | daa | 10 a | 1,000 m2 | 0.1 ha | 0.98842 roods |
| hectare | ha | 100 a | 10,000 m2 | 0.01 km2 | 2.47105 acres |
| square kilometre | km2 | 100 ha | 1,000,000 m2 | 0.38610 sq mi | |
The most commonly used units are in bold.
One hectare is also equivalent to:
- 2.4710439 U.S. survey acres
- 15 mǔ or 0.15 qǐng
- 10 dunam or dönüm (Middle East)
- 10 stremmata (Greece)
- 6.25 rai (Thai)
- ≈ 1.008 chō (Japanese)
- ≈ 2.381 feddan (Egypt)
Read more about this topic: Hectare