Acres to Hectares (ac to ha)
1 acre = 0.40468564 hectares
How to convert acres to hectares
ha = ac ÷ 2.47105381
Example: 5 ÷ 2.47105381 = 2.0234, so 5 acres = 2.0234 hectares.
Acres to hectares converts US and UK land areas to metric. A quarter section of US farmland is 160 acres (about 64.7 ha), and a square mile is 640 acres (about 259 ha).
An American football field including end zones is about 1.32 acres, or 0.54 ha.
Acres to Hectares conversion table
| Acres (ac) | Hectares (ha) |
|---|---|
| 0.1 ac | 0.0405 ha |
| 0.25 ac | 0.1012 ha |
| 0.5 ac | 0.2023 ha |
| 1 ac | 0.4047 ha |
| 2 ac | 0.8094 ha |
| 5 ac | 2.0234 ha |
| 10 ac | 4.0469 ha |
| 20 ac | 8.0937 ha |
| 40 ac | 16.1874 ha |
| 50 ac | 20.2343 ha |
| 100 ac | 40.4686 ha |
| 160 ac | 64.7497 ha |
| 640 ac | 258.9988 ha |
| 1,000 ac | 404.6856 ha |
What is a acre?
An acre is 43,560 square feet, about 4,047 m². Historically it was the area a team of oxen could plough in a day. Land and property lots in the US and UK are sold by the acre.
What is a hectare?
A hectare is 10,000 square meters, a square of 100 m × 100 m — about 1.4 times a standard football (soccer) pitch of 105 m × 68 m. Farmland, forests and building plots are measured in hectares.
Frequently asked questions
How many hectares are in one acre?
One acre equals 0.40468564 hectares.
How do I convert acres to hectares?
Use the formula ha = ac ÷ 2.47105381. 5 ÷ 2.47105381 = 2.0234, so 5 acres = 2.0234 hectares.
What is 1,000 ac in ha?
1,000 ac = 404.6856 ha.
How do I convert hectares back to acres?
Use the inverse formula ac = ha × 2.47105381, or open the Hectares to Acres converter.
More area conversions
Need another unit? Try the full unit converter or browse all conversions.