Hectares to Acres Converter
Convert hectares to acres and back instantly. Type in either box — the other updates as you go.
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The Conversion Factor
1 hectare = 2.47105 acres, and 1 acre = 0.404686 hectares. A hectare is 10,000 square meters — a square 100 m on each side — while an acre is 4,046.86 m². To convert:
- hectares → acres: multiply by 2.471
- acres → hectares: divide by 2.471 (or multiply by 0.4047)
A rough rule: 1 hectare ≈ 2½ acres.
Hectares to Acres Reference Table
| Hectares | Acres |
|---|---|
| 0.5 ha | 1.24 ac |
| 1 ha | 2.47 ac |
| 2 ha | 4.94 ac |
| 5 ha | 12.36 ac |
| 10 ha | 24.71 ac |
| 100 ha | 247.11 ac |
Measure a Field or Plot
To measure the actual area of a field, draw its outline on the map with freehand draw or trace the boundary for land surveying. Working in smaller units? Try the square meters to acres converter.
Get Distance Measure
Download Distance Measure for iOS and start measuring in seconds.
