Acres to hectares
Convert square meters, square feet, hectares, acres and the survey units used in land records.
Converter
Acre to Hectare at a glance
21 rows| Acre | Hectare |
|---|---|
| 1 ac | 0.4046856422 ha |
| 2 ac | 0.8093712845 ha |
| 3 ac | 1.214056927 ha |
| 4 ac | 1.618742569 ha |
| 5 ac | 2.023428211 ha |
| 6 ac | 2.428113853 ha |
| 7 ac | 2.832799496 ha |
| 8 ac | 3.237485138 ha |
| 9 ac | 3.64217078 ha |
| 10 ac | 4.046856422 ha |
| 15 ac | 6.070284634 ha |
| 20 ac | 8.093712845 ha |
| 25 ac | 10.11714106 ha |
| 30 ac | 12.14056927 ha |
| 40 ac | 16.18742569 ha |
| 50 ac | 20.23428211 ha |
| 75 ac | 30.35142317 ha |
| 100 ac | 40.46856422 ha |
| 250 ac | 101.1714106 ha |
| 500 ac | 202.3428211 ha |
| 1,000 ac | 404.6856422 ha |
Quick pairs
tap to loadHow the acre to hectare conversion works
Multiply by 0.4046856422 to go from acre to hectare:
ha = ac × 0.4046856422
Going the other way, multiply by 2.471053815, which is the same as dividing by 0.4046856422.
Questions
How many hectare are in one acre?
One acre equals 0.4046856422 hectare.
Which units does this area converter cover?
22 units in total, all referenced to the square meter. They include square meter, square kilometer, square hectometer, square dekameter, square decimeter, square centimeter and more. Pick any pair from the two dropdown lists.
How precise are the results?
Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.
Does anything I type leave my device?
No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.