acres to hectares
Convert acre to hectare — instant, free, with the formula shown.
1 ac=0.404686 ha
How to convert acre to hectare
To convert acre to hectare, multiply by 0.40468564:
ha = ac × 0.40468564
For example, 10 ac × 0.404686 = 4.046856 ha.
ac to ha conversion table
| acres (ac) | hectares (ha) |
|---|---|
| 1 ac | 0.404686 ha |
| 2 ac | 0.809371 ha |
| 5 ac | 2.023428 ha |
| 10 ac | 4.046856 ha |
| 25 ac | 10.117141 ha |
| 50 ac | 20.234282 ha |
| 100 ac | 40.468564 ha |
| 250 ac | 101.171411 ha |
| 500 ac | 202.342821 ha |
| 1000 ac | 404.685642 ha |
Other acre conversions
Convert to hectare from another unit
ac to ha — frequently asked
How many hectares are in 1 acre?
1 acre = 0.404686 hectares (ac × 0.404686 = ha).
What is the formula to convert acre to hectare?
Multiply your acre value by 0.40468564 to get hectare.
How do I convert 10 acres to hectares?
10 ac = 4.046856 ha. For 100 ac the answer is 40.468564 ha. Use the calculator on this page for any other value.
When to convert acre to hectare
1Real estate and property (sq ft, acres)
2Agriculture (hectares, acres)
3Construction and flooring (m², sq ft)
4Surveying and mapping (km², mi²)
Area conversion — common questions
How many square feet in 1 acre?
1 acre = 43,560 ft² ≈ 4,046.86 m² ≈ 0.4047 hectares.
Is 1 hectare bigger than 1 acre?
Yes. 1 hectare = 10,000 m² ≈ 2.4711 acres.
How do I convert square meters to square feet?
Multiply by 10.7639. So 100 m² = 1,076.39 ft².
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