Hectare to Acre
1 ha =2.47105381ac
About Hectare to Acre
Hectares to acres is the standard conversion between metric and US/UK land area units. A hectare is 10,000 square meters and a US/UK acre is about 4,047 square meters, so 1 hectare equals roughly 2.47 acres.
To convert hectares to acres, multiply the value in hectares by 2.4710538147. Acres = Hectares × 2.4710538147.
For example, 5 hectares × 2.4711 = 12.36 acres. A 5-hectare parcel is about 12.4 acres.
Hectare to Acre table
| Hectare (ha) | Acre (ac) |
|---|---|
| 0.5 | 1.23552691 |
| 1 | 2.47105381 |
| 2 | 4.94210763 |
| 5 | 12.35526907 |
| 10 | 24.71053815 |
| 20 | 49.42107629 |
| 50 | 123.55269073 |
| 100 | 247.10538147 |
| 500 | 1,235.5269073 |
| 1,000 | 2,471.0538147 |
Common use cases
- 01Real estate and land sales between metric and US/UK systems
- 02Farming and agricultural reporting
- 03Forestry and conservation areas
- 04Urban planning and zoning maps
A bit of history
The hectare was introduced with the metric system as a practical land-area unit. The acre dates to medieval England, originally the area one ox team could plow in a day, and is now exactly 4,046.8564224 m².
Frequently asked questions
How many acres in a hectare?+
1 hectare equals about 2.471 acres.
How many acres in 10 hectares?+
10 hectares equals about 24.71 acres.
How many acres in 100 hectares?+
100 hectares equals about 247.11 acres.
How many hectares is 1 acre?+
1 acre equals about 0.4047 hectares.
Need the reverse?
Convert Acre to Hectare →