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Area conversion

Hectare to Acre

One hectare is 2.471054 acres. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.

1 ha = 2.471054 acInstantFree

Conversion rate

1 ha = 2.471054 ac

ac = ha × 2.471054

Result2.471054

1 ha = 2.471054 ac

1 ha in every area unit
mm²10,000,000,000
cm²100,000,000
m²10,000
ha1
km²0.01
in²15,500,031
ft²107,639.104
yd²11,959.9
ac2.471054

Reference

Hectare to Acre table

The values people look up most often, rounded for practical use.

Hectare (ha)Acre (ac)
1 ha2.471054 ac
2 ha4.942108 ac
3 ha7.413161 ac
5 ha12.35527 ac
10 ha24.71054 ac
15 ha37.06581 ac
20 ha49.42108 ac
25 ha61.77635 ac
50 ha123.553 ac
100 ha247.105 ac
250 ha617.763 ac
500 ha1,235.527 ac
1,000 ha2,471.054 ac

How to convert hectares to acres

Multiply the number of hectares by 2.471054. That is the whole calculation: ac = ha × 2.471054. To go back the other way, divide instead, or multiply by 0.40469.

Worked example: 12 hectares × 2.471054 = 29.65265 acres.

Where this conversion comes up

Area conversions appear in property listings, flooring, land and gardening. Remember that area factors are the square of the length factors — a foot is 0.3048 m, but a square foot is 0.0929 m², not 0.3048.

Quick answers

More conversions

Other area conversions

ac → ha1 = 0.40469m² → ft²1 = 10.76391ft² → m²1 = 0.092903m² → ac1 = 0.00024711ft² → yd²1 = 0.11111cm² → in²1 = 0.155

Answers

Frequently asked questions

One hectare equals 2.471054 acres. Going the other way, one acre is 0.40469 hectares.

Use ac = ha × 2.471054. The converter above applies it for you, but the formula is useful in a spreadsheet — put your value in column A and the formula in column B.

The underlying factor is the exact internationally defined value. Results are rounded for readability, so very long decimals are trimmed — but the calculation itself carries full double precision.

Yes — press the ⇄ swap button in the converter, or use the dedicated Acre to Hectare page.

No. The converter runs entirely in your browser, there is no account, and nothing you type is sent anywhere.

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