Use the calculator above to convert Acres (ac) to Hectares (ha) instantly, or check the reference table and answers below. 1 Acre equals 0.404686 ha.
To convert Acres to Hectares, multiply the Acres value by 0.404686. To go the other way, divide by 0.404686 instead.
How many Hectares are in 1 Acre?
1 Acre (ac) equals 0.404686 ha.
How many Hectares are in 10 Acres?
10 Acres (ac) equals 4.046860 ha.
Symbol: ac
An acre is a unit of land area used in the imperial and US customary systems, historically defined as the area a yoke of oxen could plough in a day. It's commonly used for land and real estate.
Symbol: ha
A hectare (ha) is a metric unit of area equal to 10,000 square meters, commonly used for land, farms, and forests.
| Acres [ac] | Hectares [ha] |
|---|---|
| 0.01 ac | 0.004047 ha |
| 0.1 ac | 0.040469 ha |
| 1 ac | 0.404686 ha |
| 2 ac | 0.809372 ha |
| 3 ac | 1.214058 ha |
| 5 ac | 2.023430 ha |
| 10 ac | 4.046860 ha |
| 20 ac | 8.093720 ha |
| 50 ac | 20.234300 ha |
| 100 ac | 40.468600 ha |
| 1000 ac | 404.686000 ha |