UsefulTab
Acres to Hectares Converter
Convert acres to hectares instantly, for land, farms and property.
Enter an area to convert it
Enter an area and pick its unit. Every other unit is calculated live as you type — right here in your browser, with nothing sent to a server.
Runs entirely in your browserEnjoying this tool?
UsefulTab is free, with no sign-up and no limits. If it saved you some time, you can treat me to something small from my wishlist — totally optional.
How to convert acres to hectares
One acre is 0.40468564224 hectares, so multiply acres by 0.404686 to get hectares. For example, 10 acres × 0.404686 = 4.05 ha. A rough shortcut is to multiply by 0.4. A hectare is 10,000 m², a square 100 m on each side; an acre is 4,046.86 m², or 43,560 square feet.
Acres to hectares table
| Acres (acre) | Hectares (ha) |
|---|---|
| 1 acre | 0.4047 ha |
| 5 acre | 2.0234 ha |
| 10 acre | 4.0469 ha |
| 40 acre | 16.1874 ha |
| 100 acre | 40.4686 ha |
| 640 acre | 258.9988 ha |
Common questions
How many hectares is 100 acres?
100 acres is about 40.47 hectares.
How many hectares is a square mile?
A square mile is 640 acres, about 259 hectares.
Which is bigger, an acre or a hectare?
A hectare. One hectare is about 2.47 acres.