Acres to hectares
Enter a value in acres to convert it to hectares. 1 ac = 0.4047 ha.
1 ac = 0.4047 ha
Formula
ha = ac ÷ 2.4710538147
Worked example
10 ac ÷ 2.4710538147 = 4.0469 ha
Results on this page are rounded to 4 decimal places (4 significant figures below 1). Use the decimal places option above for a different rounding.
Acres to hectares table
| Acres (ac) | Hectares (ha) |
|---|---|
| 1 ac | 0.4047 ha |
| 2 ac | 0.8094 ha |
| 5 ac | 2.0234 ha |
| 10 ac | 4.0469 ha |
| 15 ac | 6.0703 ha |
| 20 ac | 8.0937 ha |
| 25 ac | 10.1171 ha |
| 50 ac | 20.2343 ha |
| 75 ac | 30.3514 ha |
| 100 ac | 40.4686 ha |
| 250 ac | 101.1714 ha |
| 500 ac | 202.3428 ha |
| 1,000 ac | 404.6856 ha |
Good to know
Areas are converted through square metres. An area factor is the length factor squared: a foot is 0.3048 m, so a square foot is 0.09290304 m². An acre is 4,046.8564224 m² and a hectare is 10,000 m².