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Convert hectares to acres
Instant, accurate ha → ac conversion with a live converter, table and formula.
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1 hectare = 2.47105 acres
1 acre = 0.404686 hectares
hectares to acres table
| hectares (ha) | acres (ac) |
|---|---|
| 0.5 | 1.23553 |
| 1 | 2.47105 |
| 2 | 4.94211 |
| 5 | 12.3553 |
| 10 | 24.7105 |
| 20 | 49.4211 |
| 50 | 123.553 |
| 100 | 247.105 |
| 500 | 1235.53 |
| 1000 | 2471.05 |
Formula
acres = hectares × 2.47105.
Example
10 hectares = 24.7105 acres.
What is a hectare?
A hectare (ha) is 10,000 square meters (about 2.47 acres).
What is a acre?
An acre is 43,560 square feet (4,047 m²), used for land area.
Real-world reference points
A parking space is ~12 m²; a tennis court ~261 m²; a football pitch ~7,100 m² (about 1.8 acres).
| Reference | hectares | acres |
|---|---|---|
| Parking space | 0.00125 ha | 0.00309 ac |
| One-bedroom flat | 0.005 ha | 0.0124 ac |
| Tennis court | 0.0261 ha | 0.0645 ac |
| Football (soccer) pitch | 0.714 ha | 1.76 ac |
| City block (typical) | 2 ha | 4.94 ac |
Mistakes to avoid with area conversions
- Confusing '10 square feet' with 'a 10-foot square' — the square is 100 ft², ten times bigger.
- Swapping acres and hectares: a hectare is ~2.47 acres, enough to wreck a land deal.
- Quoting apartment size in built-up vs carpet area without saying which — they differ 15-30%.
Frequently asked questions
How many acres in a hectares?+
1 hectare = 2.47105 acres.
How do I convert hectares to acres?+
Enter the value in the hectares box above and the acres value appears instantly. You can also type in the acres box to convert the other way.
Is this ha to ac converter free?+
Yes — it is 100% free, needs no sign-up, and runs entirely in your browser.