Acres to hectares
1 acre = 0.4046856422 ha · 1 hectare = 2.471053815 ac
How to convert acres to hectares
To convert acres to hectares, multiply the value by 0.4046856422.
Formula: ha = ac × 0.4046856422
Example: 10 ac = 4.046856422 ha
Acres to hectares conversion table
| acres (ac) | hectares (ha) |
|---|---|
| 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 |
About these units
Acre (ac)
An acre (ac) is 43,560 square feet, about 4,046.86 m². It measures farmland and property in the US, the UK and elsewhere.
Hectare (ha)
A hectare (ha) is 10,000 m², a 100 m × 100 m square. It is the standard metric unit for farmland and forests.
Frequently asked questions
How many hectares are in 1 acre?
1 ac = 0.4046856422 ha
How many acres are in 1 hectare?
1 ha = 2.471053815 ac
What is 5 ac in ha?
5 ac = 2.02343 ha (5 × 0.4046856422)
What is 10 ac in ha?
10 ac = 4.04686 ha (10 × 0.4046856422)