Hectares to acres
Type a value in either box. 1 ha = 2.471054 ac.
Last updated
How to convert
To convert hectares to acres, multiply by 2.471054.
ac = ha × 2.471054
For example: 10 ha × 2.471054 = 24.7105 ac.
A hectare is 10,000 square metres (100 m × 100 m).
In your head: Multiply by 2.5 (it reads about 1% high): 10 ha ≈ 25 acres (exactly 24.71).
When you’ll need it
Farmland, nature reserves and planning applications in the UK are given in hectares. A full-size football pitch is about 0.7 ha, or 1.8 acres.
Common values
| Hectares (ha) | Acres (ac) |
|---|---|
| 0.1 ha | 0.2471 ac |
| 0.25 ha | 0.6178 ac |
| 0.5 ha | 1.2355 ac |
| 1 ha | 2.4711 ac |
| 2 ha | 4.9421 ac |
| 5 ha | 12.3553 ac |
| 10 ha | 24.7105 ac |
| 20 ha | 49.4211 ac |
| 50 ha | 123.5527 ac |
| 100 ha | 247.1054 ac |
| 500 ha | 1,235.5269 ac |
| 1,000 ha | 2,471.0538 ac |
Questions
- How many acres are in a hectare?
- 1 hectare is 2.471054 acres.
- What is the formula to convert hectares to acres?
- ac = ha × 2.471054. A hectare is 10,000 square metres (100 m × 100 m).
- What is 10 hectares in acres?
- 10 hectares is 24.7105 acres.