Convert acres to hectares instantly. Enter a land area in acres to get the exact value in hectares — useful for farms, plots, parks and property listings.
How to convert acres to hectares
One acre is 4,046.86 m², and one hectare is 10,000 m². So to convert acres to hectares you multiply by 0.404686.
Formula: hectares = acres × 0.404686
Example: A 10-acre plot is 10 × 0.404686 = 4.05 hectares. A square mile (640 acres) is 259 hectares.
Tip: A hectare is a square 100 m on each side, which makes it easy to picture. An acre is a little under half that size.
| Acre | Hectare |
|---|---|
| 0.25 | 0.1011714106 |
| 0.5 | 0.2023428211 |
| 1 | 0.4046856422 |
| 2 | 0.8093712845 |
| 5 | 2.023428211 |
| 10 | 4.046856422 |
| 20 | 8.093712845 |
| 50 | 20.23428211 |
| 100 | 40.46856422 |
| 640 | 258.998811 |
| 1,000 | 404.6856422 |
Need a different unit? The Area Converter handles every common area unit.