How to convert acres to hectares
One acre equals 0.4047 hectares, so multiply the value in acres by 0.4046856422: ha = ac × 0.4046856422. Equivalently, divide by 2.471053815.
Example: 10 ac = 10 × 0.4046856422 = 4.0469 ha.
Acres to hectares table
| Acres (ac) | Hectares (ha) |
|---|---|
| 0.1 | 0.04047 |
| 0.5 | 0.2023 |
| 1 | 0.4047 |
| 2 | 0.8094 |
| 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 |
| 1,000 | 404.6856 |
About the units
- Acre (ac): An imperial unit of land area, 43,560 square feet.
- Hectare (ha): A metric unit of land area: 100 m × 100 m.
Need the other direction? Convert hectares to acres — 1 hectare = 2.4711 acres.
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Open the unit converter Frequently asked questions
How many hectares are in a acre?
1 acre = 0.4047 hectares.
What is the formula for acres to hectares?
ha = ac × 0.4046856422.
How much is 10 ac in ha?
10 ac = 4.0469 ha.