1 acre (ac) = 0.4046856422 hectares (ha). To convert, divide by 2.471053815: ha = ac ÷ 2.471053815. For example, 5 ac = 2.023428211 ha.
ha = ac ÷ 2.471053815
Acres to hectares table
| Acres (ac) | Hectares (ha) |
|---|---|
| 1 | 0.4046856422 |
| 2 | 0.8093712845 |
| 3 | 1.214056927 |
| 4 | 1.618742569 |
| 5 | 2.023428211 |
| 10 | 4.046856422 |
| 20 | 8.093712845 |
| 25 | 10.11714106 |
| 50 | 20.23428211 |
| 100 | 40.46856422 |
| 250 | 101.1714106 |
| 500 | 202.3428211 |
| 1,000 | 404.6856422 |
The two units
Acre (ac). The international acre: 43,560 square feet. The older US survey acre is very slightly larger.
Hectare (ha). 10,000 square meters: a square 100 meters on each side.
Convert acres to other units
- Acres to square meters — 1 ac = 4,046.856422 m²
- Acres to square kilometers — 1 ac = 0.0040468564 km²
- Acres to square centimeters — 1 ac = 40,468,564.22 cm²
- Acres to square feet — 1 ac = 43,560 ft²
- Acres to square inches — 1 ac = 6,272,640 in²
- Acres to square yards — 1 ac = 4,840 yd²
- Acres to square miles — 1 ac = 0.0015625 mi²
Convert other units to hectares
Questions people ask
- How many hectares are in a acre?
- 0.4046856422.
- How do you convert acres to hectares?
- ha = ac ÷ 2.471053815. It is the same as dividing by 2.471053815.
- How do you convert hectares back to acres?
- ac = ha × 2.471053815. See hectares to acres.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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