Hectare to Acre (ha → ac)
Convert hectare to acre instantly. The conversion factor below is exact by international definition.
Realtime·area·metric
Exact
ha
× 2.4711
ac
2.4711
Precision [auto]
6
📐ha to ac formulaExact
ac = ha × 2.471053814672
Inverse: ha = ac × 0.40468564224
Worked example: 1 ha = 2.471053814672 ac
ℹ️About these units
Hectare (ha)
Land area in most of the world.
Acre (ac)
Agricultural land in US, UK, India.
📊Reference table: ha → ac
| Hectare (ha) | Acre (ac) |
|---|---|
| 1 | 2.4711 |
| 2 | 4.9421 |
| 5 | 12.3553 |
| 10 | 24.7105 |
| 15 | 37.0658 |
| 20 | 49.4211 |
| 25 | 61.7763 |
| 50 | 123.5527 |
| 100 | 247.1054 |
| 250 | 617.7635 |
| 500 | 1,235.53 |
| 750 | 1,853.29 |
| 1,000 | 2,471.05 |
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=hectare&to=acreEmbed this converter
<div data-convertnavi="hectare->acre"></div>
<script async src="https://convertnavi.com/embed.js"></script>