Convert acres to hectares
1 ac = 0.404686 ha
1 ha = 2.47105 ac
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How to convert acres to hectares
Multiply the value in acres by 0.404685642 to get hectares. As a formula: ha = ac × 0.404685642
Good to know
An international acre is 4,046.86 m² and a hectare is 10,000 m², so a hectare is about 2.47 acres. A football pitch is roughly 0.7 ha, or 1.8 acres.
acres to hectares conversion table
| acres (ac) | hectares (ha) |
|---|---|
| 1 ac | 0.404686 ha |
| 2 ac | 0.809371 ha |
| 3 ac | 1.21406 ha |
| 4 ac | 1.61874 ha |
| 5 ac | 2.02343 ha |
| 6 ac | 2.42811 ha |
| 8 ac | 3.23749 ha |
| 10 ac | 4.04686 ha |
| 12 ac | 4.85623 ha |
| 15 ac | 6.07028 ha |
| 20 ac | 8.09371 ha |
| 25 ac | 10.1171 ha |
| 30 ac | 12.1406 ha |
| 50 ac | 20.2343 ha |
| 75 ac | 30.3514 ha |
| 100 ac | 40.4686 ha |
| 250 ac | 101.171 ha |
| 500 ac | 202.343 ha |
| 1,000 ac | 404.686 ha |
Related conversions
Need other units? The full Area Converter converts between every unit it supports, and the Unit Converters page lists the rest.
acres to hectares — questions
How many hectares are in 1 ac?
1 ac = 0.404686 ha. Multiply the value in acres by 0.404685642 to get hectares.
How do I convert acres to hectares?
Multiply the value in acres by 0.404685642. For example, 5 ac × 0.404685642 = 2.02343 ha.
What is 5 ac in hectares?
5 ac = 2.02343 ha.
What is 10 ac in hectares?
10 ac = 4.04686 ha.
What is 100 ac in hectares?
100 ac = 40.4686 ha.