Convert hectares to acres
1 ha = 2.47105381467 ac — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
2.471 053 814 67ac
As a fraction: 390625000/158080329
1 ha = 2.47105381467 ac
How to convert hectares to acres
Multiply the number of hectares by 2.47105381467 to get acres.
Hectare: The standard land-area unit almost everywhere outside the US.
Acre: Exactly 4840 square yards — historically a day of ploughing.
Hectare to Acre conversion table
| Hectares (ha) | Acres (ac) |
|---|---|
| 1 ha | 2.471 053 8 |
| 2 ha | 4.942 107 6 |
| 3 ha | 7.413 161 4 |
| 5 ha | 12.355 269 |
| 10 ha | 24.710 538 |
| 20 ha | 49.421 076 |
| 25 ha | 61.776 345 |
| 50 ha | 123.552 69 |
| 100 ha | 247.105 38 |
| 250 ha | 617.763 45 |
| 500 ha | 1235.5269 |
| 1000 ha | 2471.0538 |
Acre to Hectare conversion table
| Acres (ac) | Hectares (ha) |
|---|---|
| 1 ac | 0.404 685 64 |
| 2 ac | 0.809 371 28 |
| 3 ac | 1.214 056 9 |
| 5 ac | 2.023 428 2 |
| 10 ac | 4.046 856 4 |
| 20 ac | 8.093 712 8 |
| 25 ac | 10.117 141 |
| 50 ac | 20.234 282 |
| 100 ac | 40.468 564 |
| 250 ac | 101.171 41 |
| 500 ac | 202.342 82 |
| 1000 ac | 404.685 64 |
Frequently asked
How many acres are in a hectare?
One hectare equals 2.471053815 acres (ha → ac). That figure is exact, not rounded.
How do you convert hectares to acres?
Multiply the number of hectares by 2.47105381467 to get acres.
What is 1 ac in hectares?
One acre is 0.4046856422 hectares.
What is 10 ha in ac?
10 ha = 24.710 538 ac.
What exactly is a hectare?
The standard land-area unit almost everywhere outside the US.
What exactly is a acre?
Exactly 4840 square yards — historically a day of ploughing.