Convert Hectares to Acres
One hectare equals 2.471054 acres. Type any value to convert hectares to acres instantly — with a full reference table below.
Convert Hectares to Acres
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How to convert Hectares to Acres
To convert hectares to acres, multiply by 2.471054. One hectare equals 2.471054 ac, and one acre equals 0.404686 ha.
- Take the value in hectares — for example 7.5 ha.
- Multiply by 2.471054 (the number of acres in one hectare).
- 7.5 × 2.471054 = 18.5329 ac.
Quick mental estimate: Divide the number of hectares by 0.4 (within 1.2% of the exact answer).
Hectares to Acres conversion table
| Hectares | Acres |
|---|---|
| 1 ha | 2.471054 ac |
| 2 ha | 4.942108 ac |
| 3 ha | 7.413161 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 |
| 200 ha | 494.2108 ac |
| 500 ha | 1,235.527 ac |
| 1,000 ha | 2,471.054 ac |
| 5,000 ha | 12,355.27 ac |
| Acres | Hectares |
|---|---|
| 1 ac | 0.404686 ha |
| 2 ac | 0.809371 ha |
| 3 ac | 1.214057 ha |
| 5 ac | 2.023428 ha |
| 10 ac | 4.046856 ha |
| 20 ac | 8.093713 ha |
| 50 ac | 20.23428 ha |
| 100 ac | 40.46856 ha |
| 200 ac | 80.93713 ha |
| 500 ac | 202.3428 ha |
| 1,000 ac | 404.6856 ha |
| 5,000 ac | 2,023.428 ha |
About converting Hectares to Acres
Hectares (ha) and Acres (ac) are both units of area. The exact factor is 1 ha = 2.471054 ac, so multiply by 2.471054 to go from hectares to acres (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Acres to Hectares converter, or the full unit converter for every unit at once.
Real-world area in hectares and acres
| Example | Hectares | Acres |
|---|---|---|
| A doubles tennis court (23.77 × 10.97 m) | 0.0260757 ha | 0.0644344 ac |
| An NBA basketball court (94 × 50 ft) | 0.0436644 ha | 0.107897 ac |
| An American football field (incl. end zones) | 0.535122 ha | 1.322314 ac |
| A football pitch (105 × 68 m) | 0.714 ha | 1.764332 ac |
| One acre | 0.404686 ha | 1 ac |
“≈” marks typical values; the rest are defined or measured figures.
The units
10,000 m² — a square 100 m on each side.
Used for: Farmland and land records in metric countries.
43,560 square feet, exactly 4,046.8564224 m².
Used for: Farmland and property in the US, UK, India and Australia.
Area factors are the squares of exact length factors, so they are exact too (an international acre is exactly 4,046.8564224 m²).