Convert Hectares to Acres
ha to ac · area conversion
What are hectares and acres?
A hectare is 10,000 square meters (about 2.47 acres), the metric unit for land area. An acre is 43,560 square feet (about 4,047 m²), the traditional unit for land area. For scale: a tennis court is about 261 m² (2,808 ft²), and a soccer pitch is roughly 0.7 hectares.
How to convert hectares to acres
1 ha = 2.47105 ac. To convert, multiply the number of hectares by 2.47105. For example, 5 ha = 12.3553 ac, and 20 ha = 49.4211 ac. To go the other way, multiply acres by 0.404686 (since 1 ac = 0.404686 ha).
Hectares to Acres conversion table
| Hectares (ha) | Acres (ac) |
|---|---|
| 1 | 2.47105 |
| 5 | 12.3553 |
| 10 | 24.7105 |
| 25 | 61.7764 |
| 50 | 123.553 |
| 100 | 247.105 |
| 1,000 | 2,471.05 |
FAQ
What is 1 ha in ac?
1 ha = 2.47105 ac. To convert any amount, multiply the number of hectares by 2.47105.
How do I convert acres back to hectares?
Go the other way: 1 ac = 0.404686 ha, so multiply acres by 0.404686 to get hectares.
Is a hectare bigger than a acre?
Yes — 1 ha is the larger unit, equal to 2.47105 ac.
Are these area conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.