Hectares to Acres Converter
Type a value in hectares to get it in acres, and see the reverse conversion.
Your numbers
Your results
Converted value
Acres (ac)
—
1 ha in ac
—
Your number read as ac, in ha
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Square metres (m²)
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Hectares to Acres Converter by TheCalcTools
How the Hectares to Acres Converter works
A hectare is 10,000 m² (a square 100 m by 100 m), about 2.471 acres.
To convert hectares to acres, multiply by 2.471053815. The calculator shows the result to 6 significant figures; the conversion factor itself is exact by definition.
Quick estimate in your head: multiply hectares by 2.5 (slightly high; exact 2.471).
The formula
ac = ha × 2.471053815ha = ac ÷ 2.471053815
Worked example
Using the default values shown in the calculator:
| Value in hectares (ha) | 5 |
|---|
- 5 ha × 2.471053815 = 12.3553 ac.
Result:
| Acres (ac) | 12.3553 |
|---|---|
| 1 ha in ac | 2.47105 |
| Your number read as ac, in ha | 2.02343 |
| Square metres (m²) | 50000 |
Conversion table
| ha | ac |
|---|---|
| 0.5 ha | 1.23553 ac |
| 1 ha | 2.47105 ac |
| 2 ha | 4.94211 ac |
| 5 ha | 12.3553 ac |
| 10 ha | 24.7105 ac |
| 25 ha | 61.7763 ac |
| 50 ha | 123.553 ac |
| 100 ha | 247.105 ac |
| 1,000 ha | 2,471.05 ac |
Frequently asked questions
What is 1 hectare in acres?
1 hectare (ha) equals 2.47105 ac.
Sources and further reading
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.