Convert Hectare to Acre
Convert Hectare to Acre instantly. 1 ha = 2.471054 ac. Formula, worked examples and a quick reference table.
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One hectare equals 2.471054 acres. To convert any number of hectares to acres, multiply by 2.47105381.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Hectare to Acre formula
To go the other way, use hectare = acre ÷ 2.47105381.
About these units
A hectare is 10,000 square metres — a square 100 metres on each side. It is the standard unit for agricultural land in most of the world.
An acre is 43,560 square feet, historically about the area one person could plough in a day with a yoke of oxen. It is still standard in US and UK land dealings.
Hectare to Acre conversion table
| Hectare | Acre |
|---|---|
| 1 ha | 2.4711 ac |
| 2 ha | 4.9421 ac |
| 3 ha | 7.4132 ac |
| 5 ha | 12.3553 ac |
| 10 ha | 24.7105 ac |
| 20 ha | 49.4211 ac |
| 25 ha | 61.7763 ac |
| 50 ha | 123.5527 ac |
| 100 ha | 247.1054 ac |
| 250 ha | 617.7635 ac |
| 500 ha | 1,235.5269 ac |
| 1,000 ha | 2,471.0538 ac |
Frequently asked questions
How many acres are in a hectare? +
There are 2.471054 acres in one hectare.
What is 10 ha in ac? +
10 ha equals 24.7105 ac. Multiply 10 by 2.47105381.
How do I convert acre back to hectare? +
Use hectare = acre ÷ 2.47105381. The converter above handles both directions, or see our dedicated Acre to Hectare page.