Acres to Hectares Converter
Convert acres (ac) to hectares (ha). Type a number in either box and the result appears as you type.
Enter a number, for example 12.5
1 acre = 0.4046856422 hectares
Formula: ha = ac × 0.4046856422
How to convert acres to hectares
1 acre = 0.4046856422 hectares
To convert acres to hectares, multiply the value by 0.4046856422.
Example: 5 ac × 0.4046856422 = 2.023428211 ha
Acres to Hectares conversion table
| Acre (ac) | Hectare (ha) |
|---|---|
| 1 | 0.40468564 |
| 2 | 0.80937128 |
| 3 | 1.2140569 |
| 4 | 1.6187426 |
| 5 | 2.0234282 |
| 10 | 4.0468564 |
| 15 | 6.0702846 |
| 20 | 8.0937128 |
| 25 | 10.117141 |
| 50 | 20.234282 |
| 75 | 30.351423 |
| 100 | 40.468564 |
| 250 | 101.17141 |
| 500 | 202.34282 |
| 1,000 | 404.68564 |
About acres and hectares
Acre (ac)
43,560 square feet, about 4,047 square meters. Used for land in the United States and the United Kingdom.
Hectare (ha)
10,000 square meters, a square 100 meters on each side. Used for farmland and parks.
Frequently asked questions
What is 1 ac in hectares?
1 ac = 0.4046856422 ha.
What is 1 ha in acres?
1 ha = 2.471053815 ac.
How do I convert acres to hectares?
To convert acres to hectares, multiply the value by 0.4046856422. 1 acre = 0.4046856422 hectares.