Hectares to Acres Converter
Convert hectares to acres instantly. Enter any ha value and the acre equivalent appears immediately. Reference table covers small plots to large estates.
Formula:[value] ha × 2.471 = [result] ac
How to convert Hectares to Acres
ha × 2.471 = ac
For example: 5 ha × 2.471 = 12.36 ac
↑ Use the converter aboveCommon Hectares to Acres conversions
| Hectares (ha) | Acres (ac) |
|---|---|
| 0.1 ha | 0.2471 ac |
| 0.5 ha | 1.236 ac |
| 1 ha | 2.471 ac |
| 2 ha | 4.942 ac |
| 5 ha | 12.36 ac |
| 10 ha | 24.71 ac |
| 20 ha | 49.42 ac |
| 50 ha | 123.6 ac |
| 100 ha | 247.1 ac |
| 200 ha | 494.2 ac |
| 500 ha | 1 ac |
| 1,000 ha | 2 ac |
About this conversion
Hectares to acres is used in agriculture, land surveying, real estate, and environmental science when land areas must be expressed in the other unit. One hectare (ha) is 10,000 m² — the SI unit of land area. One acre is 4,046.86 m², making 1 hectare ≈ 2.471 acres. Land measurements in Europe, Australia, and most of the world use hectares; the US and UK traditionally use acres. Common agricultural sizes: a small farm plot = 1 ha = 2.47 acres; a typical UK farm = 100 ha = 247 acres. A standard football pitch is approximately 0.7–1 hectare. Golf courses average 60–80 hectares (150–200 acres). The hectare is not an SI base unit but is accepted for use with the SI.