Acre to Hectare (ac → ha)
Convert acre to hectare instantly. The conversion factor below is exact by international definition.
Realtime·area·imperial
Exact
ac
× 0.4047
ha
0.404686
Precision [auto]
6
📐ac to ha formulaExact
ha = ac × 0.40468564224
Inverse: ac = ha × 2.471053814672
Worked example: 1 ac = 0.40468564224 ha
ℹ️About these units
Acre (ac)
Agricultural land in US, UK, India.
Hectare (ha)
Land area in most of the world.
📊Reference table: ac → ha
| Acre (ac) | Hectare (ha) |
|---|---|
| 1 | 0.404686 |
| 2 | 0.809371 |
| 5 | 2.0234 |
| 10 | 4.0469 |
| 15 | 6.0703 |
| 20 | 8.0937 |
| 25 | 10.1171 |
| 50 | 20.2343 |
| 100 | 40.4686 |
| 250 | 101.1714 |
| 500 | 202.3428 |
| 750 | 303.5142 |
| 1,000 | 404.6856 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=acre&to=hectareEmbed this converter
<div data-convertnavi="acre->hectare"></div>
<script async src="https://convertnavi.com/embed.js"></script>