Acres to Hectares Converter
Convert acre to hectare instantly. Type a value below — the result updates as you type.
When you need to convert acre to hectare
Area conversions are essential when buying land, ordering flooring, turf or paint, or comparing property listings that quote space in different units across regions.
Typical values: 0.5 ac is about 0.2023 ha, and 100 ac works out to roughly 40.4686 ha. Because the ratio is fixed at 0.4047, you can scale any amount linearly — doubling the acres doubles the hectares.
Estate agents, builders and gardeners each favour different area units, so a quick conversion keeps quotes and material orders consistent.
How to convert acre to hectare
One acre equals 0.4047 hectares. To convert, multiply the number of acres by 0.4047:
hectares = acres × 0.4047
For example, 10 acres × 0.4047 = 4.0469 hectares.
Acres to hectares conversion table
| Area (ac) | Hectares (ha) |
|---|---|
| 1 ac | 0.4047 ha |
| 2 ac | 0.8094 ha |
| 3 ac | 1.2141 ha |
| 5 ac | 2.0234 ha |
| 10 ac | 4.0469 ha |
| 20 ac | 8.0937 ha |
| 50 ac | 20.2343 ha |
| 100 ac | 40.4686 ha |
FAQ
How many hectares are in a acre?
One acre = 0.4047 hectares.
How do I convert hectares back to acres?
Divide by 0.4047, or use the hectares to acres converter.