How to convert acres to hectares
- Take the value in acres.
- Use the formula hectares = acres × 0.4046856422.
- For example, 1 ac is 0.405 ha.
About acres and hectares
An acre is exactly 4,046.8564224 square meters and a hectare is 10,000 m², so 1 acre is 0.404686 hectares. Multiply acres by 0.404686 to get hectares.
Land in the US and UK is still sold and described in acres, while farm statistics, EU subsidies and most of the world use hectares.
Examples
- 1 ac (one acre) is 0.405 ha
- 0.25 ac (a quarter-acre suburban block) is 0.101 ha
- 1.32 ac (an American football field with end zones) is 0.534 ha
- 640 ac (one square mile) is 259 ha
Acres to hectares chart
| Acres (ac) | Hectares (ha) |
|---|---|
| 0.1 | 0.0405 |
| 0.25 | 0.101 |
| 0.5 | 0.202 |
| 0.75 | 0.304 |
| 1 | 0.405 |
| 1.5 | 0.607 |
| 2 | 0.809 |
| 2.5 | 1.01 |
| 3 | 1.21 |
| 4 | 1.62 |
| 5 | 2.02 |
| 10 | 4.05 |
| 15 | 6.07 |
| Acres (ac) | Hectares (ha) |
|---|---|
| 20 | 8.09 |
| 25 | 10.12 |
| 40 | 16.19 |
| 50 | 20.23 |
| 75 | 30.35 |
| 100 | 40.47 |
| 150 | 60.7 |
| 200 | 80.94 |
| 250 | 101.17 |
| 500 | 202.34 |
| 640 | 259 |
| 1,000 | 404.69 |