How to convert hectares to acres
- Type the value in hectares (ha) in the box above.
- The result in acres appears instantly, along with the same value in every other unit of area.
- Press ⇄ to convert the other way.
Formula
acres = hectares × 2.47105. So 1 ha = 2.47105 ac, and 1 ha = 2.47105 ac.
Hectares to acres is common in farming, forestry and property listings, where metric countries use hectares (10,000 m²) and the US and UK often use acres. One hectare is about 2.47 acres, roughly the size of two football pitches. A 40-hectare farm is about 99 acres.
ha to ac conversion chart
| Hectares | Acres |
|---|---|
| 0.1 ha | 0.247105 ac |
| 0.25 ha | 0.617763 ac |
| 0.5 ha | 1.23553 ac |
| 1 ha | 2.47105 ac |
| 2 ha | 4.94211 ac |
| 5 ha | 12.3553 ac |
| 10 ha | 24.7105 ac |
| 20 ha | 49.4211 ac |
| 50 ha | 123.553 ac |
| 100 ha | 247.105 ac |
| 1,000 ha | 2,471.05 ac |
FAQ
How many acres is 1 hectare?
2.47105 acres.
How do I convert ha to ac?
Use acres = hectares × 2.47105. Or type the value above and the converter does it for you.
How do I convert ac back to ha?
Multiply by 0.404686, or press the ⇄ button in the converter.