Hectare to Acre Converter (ha to ac)
1 hectare = 2.47105 acre. An acre is 4,046.86 m2 and a hectare is exactly 10,000 m2, so 1 hectare is about 2.471 acres.
Result
10 ha = 24.710516 ac
How to convert hectare to acre
An acre is 4,046.86 m2 and a hectare is exactly 10,000 m2, so 1 hectare is about 2.471 acres. Land, farms and parks use these units, with acres in the US and UK and hectares elsewhere.
Formula
ac = ha × 2.47105
Worked example
10 ha × 2.47105 = 24.7105 ac
Hectare to Acre quick-reference table
| Hectare (ha) | Acre (ac) |
|---|---|
| 0.5 ha | 1.23553 ac |
| 1 ha | 2.47105 ac |
| 5 ha | 12.3553 ac |
| 10 ha | 24.7105 ac |
| 50 ha | 123.553 ac |
| 100 ha | 247.105 ac |
Real-life examples
A 10 ha field is 24.7 acres, and a 100 ha estate is 247 acres.
Frequently asked questions
How many acres are in a hectare?
One hectare is 2.47105 acres.
How big is an acre?
An acre is 4,046.86 square meters, about three quarters of the area of an American football field including end zones.
What is 1 hectare in acre?
1 hectare = 2.47105 acre (ha to ac).
What is the formula to convert ha to ac?
ac = ha × 2.47105. For example, 10 ha × 2.47105 = 24.7105 ac.
How do I convert ac back to ha?
Use the reverse converter: 1 acre = 0.404686 hectare. Check: 24.7105 ac converts back to 10 ha.
Reverse conversion
Need the other direction? Acre to Hectare converter (ac to ha): 1 acre = 0.404686 hectare.
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