About these units
hectare (ha)
A hectare (ha) is a 100 m by 100 m square, 10,000 m², used for farmland and forests.
acre (ac)
The acre is a US and imperial unit of land area, about 4,046.86 m² or 0.4047 hectares.
Hectares to Acres
1 ha = 2.471054 ac · 1 ac = 0.4046856 ha
Formula
ac = ha × 2.471054
Example: 1 × 2.471054 = 2.471054 ac
ha to ac table
| ha | ac |
|---|---|
| 0.1 ha | 0.2471054 ac |
| 0.5 ha | 1.235527 ac |
| 1 ha | 2.471054 ac |
| 2 ha | 4.942108 ac |
| 5 ha | 12.35527 ac |
| 10 ha | 24.71054 ac |
| 20 ha | 49.42108 ac |
| 50 ha | 123.5527 ac |
| 100 ha | 247.1054 ac |
| 1,000 ha | 2,471.054 ac |
ac to ha table
| ac | ha |
|---|---|
| 1 ac | 0.4046856 ha |
| 2 ac | 0.8093713 ha |
| 3 ac | 1.214057 ha |
| 4 ac | 1.618743 ha |
| 5 ac | 2.023428 ha |
| 6 ac | 2.428114 ha |
| 7 ac | 2.832799 ha |
| 8 ac | 3.237485 ha |
| 9 ac | 3.642171 ha |
| 10 ac | 4.046856 ha |
| 15 ac | 6.070285 ha |
| 20 ac | 8.093713 ha |
More area conversions
FAQ
What is 1 hectare in acres?
1 hectare = 2.471054 acres. Multiply the value in ha by 2.471054.
What is 1 acre in hectares?
1 acre = 0.4046856 hectares.