Acres to hectares
1 ac = 0.40468564 ha. Type a figure below, or scan the table for the usual values.
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32 categories, 300 units. Bare words follow UK usage: pint, gallon, mpg and ton are imperial; US versions are named.
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Acres to hectares quick table
| Acre (ac) | Hectare (ha) |
|---|---|
| 1 ac | 0.40468564 ha |
| 2 ac | 0.80937128 ha |
| 3 ac | 1.2140569 ha |
| 4 ac | 1.6187426 ha |
| 5 ac | 2.0234282 ha |
| 6 ac | 2.4281139 ha |
| 7 ac | 2.8327995 ha |
| 8 ac | 3.2374851 ha |
| 9 ac | 3.6421708 ha |
| 10 ac | 4.0468564 ha |
| 12 ac | 4.8562277 ha |
| 15 ac | 6.0702846 ha |
| 20 ac | 8.0937128 ha |
| 25 ac | 10.117141 ha |
| 50 ac | 20.234282 ha |
| 100 ac | 40.468564 ha |
How to convert acres to hectares
Multiply the acre figure by 0.40468564 to get hectare. Going the other way, divide by 0.40468564, which is the same as multiplying by 2.4710538.
ha = ac × 0.40468564
Example: 9 ac is 3.6421708 ha.
Questions
How many hectare in a acre?
1 ac is 0.40468564 ha. Multiply the acre figure by 0.40468564 to get hectare. Going the other way, divide by 0.40468564, which is the same as multiplying by 2.4710538.
What is 9 ac in ha?
9 ac is 3.6421708 ha. Type any other figure into the converter above to see it instantly, and the full list under it shows the same amount in every unit of the area category.
Is acres to hectares a simple multiplication?
Yes. Multiply by 0.40468564. The factor comes from the units' legal definitions, so the result is exact to the precision shown.
Conversion guides
Formula, quick table and worked examples for the common ones.