ACCURATE CONVERSION
Acres to Hectares Converter
Convert acres (ac) to hectares (ha) with a standards-based formula.
From
To
How to convert acres to hectares
Enter a value in the converter above. The result updates immediately using the relationship below.
FORMULA1 acre = 0.40468564 hectares
Acres to Hectares conversion table
| Acres (ac) | Hectares (ha) |
|---|---|
| 1 | 0.40468564 |
| 5 | 2.02342821 |
| 10 | 4.04685642 |
| 20 | 8.09371284 |
| 50 | 20.23428211 |
| 100 | 40.46856422 |
Common values
For a quick estimate, multiply by the factor above. Use more decimal places when technical work requires additional precision.
Frequently asked questions
How many hectares are in one acre?
One acre equals 0.40468564 hectares.
How do you convert acres to hectares?
Multiply the acre value by 0.40468564.
Can I convert hectares back to acres?
Yes. One hectare equals 2.47105381 acres; you can also use the swap button.