Hectares to Acres Converter
1 hectare = 2.47105 acres.
Enter a value
Result
1 hectare =
2.47105 ac
1 ha × 2.47105 = 2.47105 ac
1 ft² = 0.09290304 m² exactly
The working
- 1. Convert 1 ha to square metres: 1 × 10,000 = 10,000.
- 2. Convert to ac: 10,000 ÷ 4,046.86 = 2.47105.
1 ha in every unit
Sizes for scale
- Studio flat
- 37 m² (400 ft²)
- Tennis court
- 261 m²
- Football pitch
- 7,140 m²
- One acre
- 4,047 m²
Conversion table
Hectares to Acres
| Hectares | Acres |
|---|---|
| 1 | 2.4711 |
| 2 | 4.9421 |
| 3 | 7.4132 |
| 4 | 9.8842 |
| 5 | 12.355 |
| 6 | 14.826 |
| 7 | 17.297 |
| 8 | 19.768 |
| 9 | 22.239 |
| 10 | 24.711 |
| 15 | 37.066 |
| 20 | 49.421 |
| 25 | 61.776 |
| 50 | 123.55 |
| 100 | 247.11 |
Acres to Hectares
| Acres | Hectares |
|---|---|
| 1 | 0.40469 |
| 2 | 0.80937 |
| 3 | 1.2141 |
| 4 | 1.6187 |
| 5 | 2.0234 |
| 6 | 2.4281 |
| 7 | 2.8328 |
| 8 | 3.2375 |
| 9 | 3.6422 |
| 10 | 4.0469 |
| 15 | 6.0703 |
| 20 | 8.0937 |
| 25 | 10.117 |
| 50 | 20.234 |
| 100 | 40.469 |
Formula and worked example
acres = hectares × 2.471053815 (1 hectare is exactly 10,000 m²; 1 acre is exactly 4,046.8564224 m²).
Convert 10 hectares to acres: 10 × 2.4710538 = 24.7105 ac.
When you need this
Converting farm, forest or estate sizes from hectares into acres, the unit still used by many land agents.
Questions people ask
How many acres are in a hectare?
One hectare is 2.4710538 acres. 1 hectare is exactly 10,000 m².
How do I convert hectares to acres?
Multiply the number of hectares by 2.4710538.
What is 10 ha in ac?
10 hectares is 24.7105 acres.
How do I convert acres back to hectares?
Multiply by 0.40468564: one acre is 0.40468564 hectares.
Related conversions
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it. Source: NIST Special Publication 811, Guide for the Use of the International System of Units.
Spotted a mistake? Tell us and we'll check it. How we check our calculators