Convert hectares to acres
1 ha = 2.471054 ac. Change the amount below, or read the formula and the reference table further down.
1 hectare equals
acres
1 ha = 2.471054 ac
The formula
Hectares and acres both measure area from the same zero, so a single multiplier does the job.
ac = ha × 2.47105381
Going the other way? Convert acres to hectares.
Hectares to acres table
Common values, rounded for reading.
| Hectares (ha) | Acres (ac) |
|---|---|
| 1 | 2.4711 |
| 2 | 4.9421 |
| 3 | 7.4132 |
| 4 | 9.8842 |
| 5 | 12.3553 |
| 6 | 14.8263 |
| 7 | 17.2974 |
| 8 | 19.7684 |
| 9 | 22.2395 |
| 10 | 24.7105 |
| 15 | 37.0658 |
| 20 | 49.4211 |
| 25 | 61.7763 |
| 30 | 74.1316 |
| 40 | 98.8422 |
| 50 | 123.55 |
| 75 | 185.33 |
| 100 | 247.11 |
| 250 | 617.76 |
| 500 | 1,235.53 |
| 1,000 | 2,471.05 |
Questions people ask
- How many acres are in a hectare?
- One hectare equals 2.47105381 acres.
- How do I convert hectares to acres by hand?
- Multiply the number of hectares by 2.47105381. For a rough check, 2.5 is close enough for most everyday use.
- What is 1 hectare in acres?
- 1 hectare is 2.471054 acres.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.