Unit Converter
Acres to Hectares Converter
Convert acres (ac) to hectares (ha) instantly. Free, accurate, and browser-based — no signup, no ads in your way.
How to convert acres to hectares
1 ac = 0.404686 ha. Multiply the acres value by 0.404686 to get hectares.
Example: 25 ac = 25 × 0.404686 = 10.1171 ha.
Acres to hectares conversion table
| Acres (ac) | Hectares (ha) |
|---|---|
| 1 | 0.404686 |
| 2 | 0.809371 |
| 3 | 1.2141 |
| 4 | 1.6187 |
| 5 | 2.0234 |
| 6 | 2.4281 |
| 7 | 2.8328 |
| 8 | 3.2375 |
| 9 | 3.6422 |
| 10 | 4.0469 |
| 15 | 6.0703 |
| 20 | 8.0937 |
| 25 | 10.1171 |
| 30 | 12.1406 |
| 40 | 16.1874 |
| 50 | 20.2343 |
| 75 | 30.3514 |
| 100 | 40.4686 |
| 250 | 101.1714 |
| 500 | 202.3428 |
Convert the other way
Need ha to ac instead? Use the dedicated Hectares to Acres converter.
FAQ
How do I convert acres to hectares?
1 ac = 0.404686 ha. Multiply the acres value by 0.404686 to get hectares.
How many hectares are in one acre?
One acre (ac) equals 0.404686 hectares (ha).
What is 10 ac in ha?
10 acres equals 4.0469 hectares. Type any value into the converter above for an instant exact result.
Is this ac to ha converter free?
Yes. Every Utiliora tool is free, open source, works in your browser, and never asks you to sign up.
Can I convert the other way, from ha to ac?
Yes — use the Hectares to Acres converter at /converters/hectares-to-acres, or press the swap button in the converter above.