Hectares to Acres

Convert hectares (ha) to acres instantly. One hectare equals 2.47105 acres.

Hectares to acres converter

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Hectares to acres formula

acres = hectares × 2.4710538

A hectare is a square 100 m on each side (10,000 m²). An acre is 43,560 square feet, which is 4,046.8564224 m² because a foot is exactly 0.3048 m. Dividing the two gives 10,000 ÷ 4,046.8564224 = 2.4710538 acres per hectare.

Example: a 12 ha farm × 2.4710538 = 29.65 acres. Going the other way, divide acres by 2.4710538 (or multiply by 0.404686) to get hectares.

Hectares to acres conversion table

HectaresAcresSquare feet
0.1 ha0.24710,764
0.25 ha0.61826,910
0.5 ha1.23653,820
1 ha2.471107,639
2 ha4.942215,278
3 ha7.413322,917
4 ha9.884430,556
5 ha12.355538,196
10 ha24.7111,076,391
15 ha37.0661,614,587
20 ha49.4212,152,782
25 ha61.7762,690,978
40 ha98.8424,305,564
50 ha123.5535,381,955
100 ha247.10510,763,910
200 ha494.21121,527,821
500 ha1,235.52753,819,552
1,000 ha2,471.054107,639,104

Hectares vs acres: where each is used

The United States, the United Kingdom (for farmland and property), Canada (alongside hectares), Australia (older titles) and India use acres. Most of the rest of the world, including the EU, Latin America and most of Asia and Africa, uses hectares for land. If you are comparing a farm listing abroad with land at home, convert both to the same unit first.

Need to measure the land itself? Outline it on the satellite map acreage calculator, which shows acres and hectares at the same time. You can also convert square meters to acres or acres to square feet.

Frequently asked questions

How do you convert hectares to acres?

Multiply hectares by 2.47105. For example, 5 hectares × 2.47105 = 12.36 acres.

How many acres are in a hectare?

One hectare is 2.471 acres (2.4710538 to be precise). A hectare is 10,000 m², and an acre is 4,046.86 m².

Is a hectare bigger than an acre?

Yes. A hectare is about 2.5 times the size of an acre. One acre is 0.4047 hectares.

How many acres is 10 hectares?

10 hectares = 24.71 acres.

How many acres is 100 hectares?

100 hectares = 247.1 acres, which is 1 square kilometer.

How do I quickly estimate hectares to acres in my head?

Multiply by 2.5 and subtract 1%. 40 ha × 2.5 = 100, minus 1% = 99 acres (exact: 98.84).