Hectares to acres
Multiply hectares by 2.4711 to get acres.
10 ha = 24.7105 ac
How to convert hectares to acres
The acre is exactly 43 560 square feet (4046.8564224 m²). The hectare is exactly 10 000 m² — the metric unit for land area.
Worked example — 10 ha: 10 × 2.4711 = 24.7105 ac.
Hectares to acres table
| Hectares | Acres |
|---|---|
| 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 |
Reverse and related
About hectares and acres
Hectare (ha)
1 ha = 2.4711 acDefinition. Exactly 10 000 m² — the metric unit for land area
History and origin
The hectare was introduced with the metric system as a practical unit for land, equal to 10 000 square metres, or a square 100 metres on each side. Its name joins hecto, for a hundred, with the are of 100 square metres.
Current use
Hectares measure farmland and land area throughout the metric world.
Source: BIPM SI Brochure (2019)
Acre (ac)
1 ac = 0.404686 haDefinition. Exactly 43 560 square feet (4046.8564224 m²)
History and origin
The acre began as the area a yoke of oxen could plough in a day, later fixed as 43 560 square feet, or one furlong by one chain. It equals about 4047 square metres.
Current use
Acres are the customary measure for land, farm plots and larger properties in the United States and United Kingdom.
Source: NIST Handbook 44, Appendix C (area); 1959 yard-and-pound agreement
Where people use this
Hectares: farmland, land area outside the US. Acres: land and farm plots, US real estate. 1 hectare is about 2.47 acres.
Every value is carried to full double precision; the display is rounded.
Sources: NIST Handbook 44, Appendix C (area); 1959 yard-and-pound agreement; BIPM SI Brochure (2019).
Questions people ask
How many acres in a hectare?
One hectare is about 2.47 acres.
How many acres is 5 hectares?
5 hectares is about 12.4 acres.
What is a hectare?
A hectare is 10,000 m², a square 100 m on each side.