How do you convert hectares to acres?
Multiply the number of hectares by 2.471. For a rough figure, count two and a half acres per hectare: the gap stays under 2 %, plenty to picture a plot of land.
hectares = acres × 0.4047
Farmland areas in hectares and acres
| 0.5 ha | 1.24 ac |
| 1 ha | 2.47 ac |
| 2 ha | 4.94 ac |
| 5 ha | 12.36 ac |
| 10 ha | 24.71 ac |
| 20 ha | 49.42 ac |
| 50 ha | 123.55 ac |
| 80 ha (average UK farm) | 197.68 ac |
| 100 ha (1 km²) | 247.11 ac |
| 259 ha (1 sq mile) | 640 ac |
| 1,000 ha (10 km²) | 2,471.05 ac |
Show every value
- 1 ha = 2.471 ac
- 2 ha = 4.942 ac
- 3 ha = 7.413 ac
- 4 ha = 9.884 ac
- 5 ha = 12.355 ac
- 6 ha = 14.826 ac
- 7 ha = 17.297 ac
- 8 ha = 19.768 ac
- 9 ha = 22.239 ac
- 10 ha = 24.711 ac
- 11 ha = 27.182 ac
- 12 ha = 29.653 ac
- 13 ha = 32.124 ac
- 14 ha = 34.595 ac
- 15 ha = 37.066 ac
- 16 ha = 39.537 ac
- 17 ha = 42.008 ac
- 18 ha = 44.479 ac
- 19 ha = 46.95 ac
- 20 ha = 49.421 ac
- 21 ha = 51.892 ac
- 22 ha = 54.363 ac
- 23 ha = 56.834 ac
- 24 ha = 59.305 ac
- 25 ha = 61.776 ac
- 26 ha = 64.247 ac
- 27 ha = 66.718 ac
- 28 ha = 69.19 ac
- 29 ha = 71.661 ac
- 30 ha = 74.132 ac
- 31 ha = 76.603 ac
- 32 ha = 79.074 ac
- 33 ha = 81.545 ac
- 34 ha = 84.016 ac
- 35 ha = 86.487 ac
- 36 ha = 88.958 ac
- 37 ha = 91.429 ac
- 38 ha = 93.9 ac
- 39 ha = 96.371 ac
- 40 ha = 98.842 ac
- 41 ha = 101.313 ac
- 42 ha = 103.784 ac
- 43 ha = 106.255 ac
- 44 ha = 108.726 ac
- 45 ha = 111.197 ac
- 46 ha = 113.668 ac
- 47 ha = 116.14 ac
- 48 ha = 118.611 ac
- 49 ha = 121.082 ac
- 50 ha = 123.553 ac
- 51 ha = 126.024 ac
- 52 ha = 128.495 ac
- 53 ha = 130.966 ac
- 54 ha = 133.437 ac
- 55 ha = 135.908 ac
- 56 ha = 138.379 ac
- 57 ha = 140.85 ac
- 58 ha = 143.321 ac
- 59 ha = 145.792 ac
- 60 ha = 148.263 ac
- 61 ha = 150.734 ac
- 62 ha = 153.205 ac
- 63 ha = 155.676 ac
- 64 ha = 158.147 ac
- 65 ha = 160.618 ac
- 66 ha = 163.09 ac
- 67 ha = 165.561 ac
- 68 ha = 168.032 ac
- 69 ha = 170.503 ac
- 70 ha = 172.974 ac
- 71 ha = 175.445 ac
- 72 ha = 177.916 ac
- 73 ha = 180.387 ac
- 74 ha = 182.858 ac
- 75 ha = 185.329 ac
- 76 ha = 187.8 ac
- 77 ha = 190.271 ac
- 78 ha = 192.742 ac
- 79 ha = 195.213 ac
- 80 ha = 197.684 ac
- 81 ha = 200.155 ac
- 82 ha = 202.626 ac
- 83 ha = 205.097 ac
- 84 ha = 207.569 ac
- 85 ha = 210.04 ac
- 86 ha = 212.511 ac
- 87 ha = 214.982 ac
- 88 ha = 217.453 ac
- 89 ha = 219.924 ac
- 90 ha = 222.395 ac
- 91 ha = 224.866 ac
- 92 ha = 227.337 ac
- 93 ha = 229.808 ac
- 94 ha = 232.279 ac
- 95 ha = 234.75 ac
- 96 ha = 237.221 ac
- 97 ha = 239.692 ac
- 98 ha = 242.163 ac
- 99 ha = 244.634 ac
- 100 ha = 247.105 ac
- 125 ha = 308.882 ac
- 150 ha = 370.658 ac
- 175 ha = 432.434 ac
- 200 ha = 494.211 ac
- 225 ha = 555.987 ac
- 250 ha = 617.763 ac
- 275 ha = 679.54 ac
- 300 ha = 741.316 ac
- 325 ha = 803.092 ac
- 350 ha = 864.869 ac
- 375 ha = 926.645 ac
- 400 ha = 988.422 ac
- 425 ha = 1,050.198 ac
- 450 ha = 1,111.974 ac
- 475 ha = 1,173.751 ac
- 500 ha = 1,235.527 ac
- 550 ha = 1,359.08 ac
- 600 ha = 1,482.632 ac
- 650 ha = 1,606.185 ac
- 700 ha = 1,729.738 ac
- 750 ha = 1,853.29 ac
- 800 ha = 1,976.843 ac
- 850 ha = 2,100.396 ac
- 900 ha = 2,223.948 ac
- 950 ha = 2,347.501 ac
- 1,000 ha = 2,471.054 ac
- 1,500 ha = 3,706.581 ac
- 2,000 ha = 4,942.108 ac
- 2,500 ha = 6,177.635 ac
- 3,000 ha = 7,413.161 ac
- 3,500 ha = 8,648.688 ac
- 4,000 ha = 9,884.215 ac
- 4,500 ha = 11,119.742 ac
- 5,000 ha = 12,355.269 ac
- 5,500 ha = 13,590.796 ac
- 6,000 ha = 14,826.323 ac
- 6,500 ha = 16,061.85 ac
- 7,000 ha = 17,297.377 ac
- 7,500 ha = 18,532.904 ac
- 8,000 ha = 19,768.431 ac
- 8,500 ha = 21,003.957 ac
- 9,000 ha = 22,239.484 ac
- 9,500 ha = 23,475.011 ac
- 10,000 ha = 24,710.538 ac
The hectare is 10,000 m² by definition and the international acre 4,046.8564224 m², derived from the 1959 definition of the yard. The 2.4710538 ratio follows exactly. Methodology & sources.
Frequently asked questions
How many acres is 1 hectare?
One hectare is 2.4711 acres. The other way round, one acre is 0.4047 hectares, a little under half.
Why is the hectare a round number and the acre not?
The hectare was built on the meter: a square 100 m on a side, hence 10,000 m². The acre comes from medieval farming practice, the area ploughed in a day, so its value in meters stays an awkward conversion.
Which unit should I use for land?
Hectares in continental Europe, acres in the UK, the US and much of the Commonwealth. British land registry entries mix both, and metric conversion has been mandatory on official documents since 1995.
What are the are and the centiare on deeds?
The forgotten subdivisions of the hectare. One hectare is 100 ares, one are is 100 centiares, and one centiare is exactly one square metre. A French deed reading 1 ha 23 a 45 ca therefore describes a plot of 12,345 m². The notation survives among notaries and land registries long after leaving everyday speech.
How many football pitches is a hectare?
A little under one and a half. A pitch at FIFA's recommended dimensions, 105 by 68 metres, covers 7,140 m², that is 0.714 hectare. The comparison stays loose because the laws allow 100 to 110 metres long and 64 to 75 wide: a pitch can run from 0.64 to 0.82 hectare.