Hectares vs Acres
Compare hectares and acres side by side, convert in both directions, and see the exact factor - Area units.
= 2.4711 ac
= 0.404686 ha
1 hectare = 2.4711 ac · 1 acre = 0.404686 ha
The Acres is the smaller unit - the same amount has a bigger number when measured in it.
| Hectares (ha) | Acres (ac) | Acres (ac) | Hectares (ha) |
|---|---|---|---|
| 1 | 2.4711 | 1 | 0.404686 |
| 2 | 4.9421 | 2 | 0.809371 |
| 5 | 12.3553 | 5 | 2.0234 |
| 10 | 24.7105 | 10 | 4.0469 |
| 25 | 61.7763 | 25 | 10.1171 |
| 50 | 123.6 | 50 | 20.2343 |
| 100 | 247.1 | 100 | 40.4686 |
| 250 | 617.8 | 250 | 101.2 |
| 500 | 1,236 | 500 | 202.3 |
| 1000 | 2,471 | 1000 | 404.7 |
Quick Answer
1 hectare (ha) = 2.4711 acres (ac), and 1 acre = 0.404686 hectares. Hectares is the larger unit, so the same physical amount needs a bigger number when measured in Acres. Convert either way with the live tool below or the dedicated converter pages.
Key Facts
- 1 hectare (ha) = 2.4711 ac
- 1 acre (ac) = 0.404686 ha
- Conversion is exact multiplication - no rounding in the factor
- Table below covers common values in both directions
- Dedicated converters: ha→ac and ac→ha pages with live tools
Frequently Asked Questions
Which is bigger, a hectare or a acre?
One hectare equals 2.4711 ac, and one acre equals 0.404686 ha. The unit with the larger factor is the physically bigger one.
How do I convert hectares to acres?
Multiply by the factor: value in ac = value in ha × 2.4711. Example: 5 ha = 12.3553 ac. Reverse: divide by 2.4711 (or multiply by 0.404686).
Why are hectares and acres different?
They come from different measurement systems - Hectares belongs to the metric (SI) world, Acres to the US customary world (or another convention). The conversion is exact: 2.4711 ac per hectare, no rounding needed for the factor itself.
Is there a quick way to convert without a calculator?
Memorize the 1-to factor: 1 hectare ≈ 2.4711 ac. Then multiply. For 2 ha that's ≈ 4.9421 ac.
Frequently Asked Questions
One hectare equals 2.4711 ac, and one acre equals 0.404686 ha. The unit with the larger factor is the physically bigger one.
Multiply by the factor: value in ac = value in ha × 2.4711. Example: 5 ha = 12.3553 ac. Reverse: divide by 2.4711 (or multiply by 0.404686).
They come from different measurement systems - Hectares belongs to the metric (SI) world, Acres to the US customary world (or another convention). The conversion is exact: 2.4711 ac per hectare, no rounding needed for the factor itself.
Memorize the 1-to factor: 1 hectare ≈ 2.4711 ac. Then multiply. For 2 ha that's ≈ 4.9421 ac.