Convert acres to hectares quickly and accurately using this free online converter
Used for land area, room size, and real estate measurements.
💡 Square meters are standard internationally; square feet are used in the US.
ha = ac × 0.404686
Example: 1 ac × 0.404686 = 0.404686 ha
Use square meters internationally; square feet for US properties.
Common uses: real estate, land measurement, and floor plans.
How do I convert ac to ha?
Multiply the value in Acres by 0.404686. For example: 10 ac = 4.0469 ha.
When should I use Hectares instead of Acres?
Use square meters internationally; square feet for US properties.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Acres (ac) | Hectares (ha) |
|---|---|
| 1 ac | 0.404686 ha |
| 5 ac | 2.0234 ha |
| 10 ac | 4.0469 ha |
| 25 ac | 10.1171 ha |
| 50 ac | 20.2343 ha |
| 100 ac | 40.4686 ha |
| 500 ac | 202.3428 ha |
| 1000 ac | 404.6856 ha |