hectare | 1 ha | 2 ha | 3 ha | 4 ha | 5 ha | 6 ha | 7 ha | 8 ha | 9 ha | 10 ha | 11 ha | 12 ha | 13 ha | 14 ha | 15 ha | 16 ha | 17 ha | 18 ha | 19 ha | 20 ha | 21 ha | 22 ha | 23 ha | 24 ha | 25 ha | 26 ha | 27 ha | 28 ha | 29 ha | 30 ha | 31 ha | 32 ha | 33 ha | 34 ha | 35 ha | 36 ha | 37 ha | 38 ha | 39 ha | 40 ha | 41 ha | 42 ha | 43 ha | 44 ha | 45 ha | 46 ha | 47 ha | 48 ha | 49 ha | 50 ha | 51 ha | 52 ha | 53 ha | 54 ha | 55 ha | 56 ha | 57 ha | 58 ha | 59 ha | 60 ha | 61 ha | 62 ha | 63 ha | 64 ha | 65 ha | 66 ha | 67 ha | 68 ha | 69 ha | 70 ha | 71 ha | 72 ha | 73 ha | 74 ha | 75 ha | 76 ha | 77 ha | 78 ha | 79 ha | 80 ha | 81 ha | 82 ha | 83 ha | 84 ha | 85 ha | 86 ha | 87 ha | 88 ha | 89 ha | 90 ha | 91 ha | 92 ha | 93 ha | 94 ha | 95 ha | 96 ha | 97 ha | 98 ha | 99 ha | 100 ha |
square chain (international) | 24.7105381 sq ch | 49.4210763 sq ch | 74.1316144 sq ch | 98.8421526 sq ch | 123.5526907 sq ch | 148.2632289 sq ch | 172.9737670 sq ch | 197.6843052 sq ch | 222.3948433 sq ch | 247.1053815 sq ch | 271.8159196 sq ch | 296.5264578 sq ch | 321.2369959 sq ch | 345.9475341 sq ch | 370.6580722 sq ch | 395.3686103 sq ch | 420.0791485 sq ch | 444.7896866 sq ch | 469.5002248 sq ch | 494.2107629 sq ch | 518.9213011 sq ch | 543.6318392 sq ch | 568.3423774 sq ch | 593.0529155 sq ch | 617.7634537 sq ch | 642.4739918 sq ch | 667.1845300 sq ch | 691.8950681 sq ch | 716.6056063 sq ch | 741.3161444 sq ch | 766.0266825 sq ch | 790.7372207 sq ch | 815.4477588 sq ch | 840.1582970 sq ch | 864.8688351 sq ch | 889.5793733 sq ch | 914.2899114 sq ch | 939.0004496 sq ch | 963.7109877 sq ch | 988.4215259 sq ch | 1,013.1320640 sq ch | 1,037.8426022 sq ch | 1,062.5531403 sq ch | 1,087.2636785 sq ch | 1,111.9742166 sq ch | 1,136.6847547 sq ch | 1,161.3952929 sq ch | 1,186.1058310 sq ch | 1,210.8163692 sq ch | 1,235.5269073 sq ch | 1,260.2374455 sq ch | 1,284.9479836 sq ch | 1,309.6585218 sq ch | 1,334.3690599 sq ch | 1,359.0795981 sq ch | 1,383.7901362 sq ch | 1,408.5006744 sq ch | 1,433.2112125 sq ch | 1,457.9217507 sq ch | 1,482.6322888 sq ch | 1,507.3428269 sq ch | 1,532.0533651 sq ch | 1,556.7639032 sq ch | 1,581.4744414 sq ch | 1,606.1849795 sq ch | 1,630.8955177 sq ch | 1,655.6060558 sq ch | 1,680.3165940 sq ch | 1,705.0271321 sq ch | 1,729.7376703 sq ch | 1,754.4482084 sq ch | 1,779.1587466 sq ch | 1,803.8692847 sq ch | 1,828.5798229 sq ch | 1,853.2903610 sq ch | 1,878.0008992 sq ch | 1,902.7114373 sq ch | 1,927.4219754 sq ch | 1,952.1325136 sq ch | 1,976.8430517 sq ch | 2,001.5535899 sq ch | 2,026.2641280 sq ch | 2,050.9746662 sq ch | 2,075.6852043 sq ch | 2,100.3957425 sq ch | 2,125.1062806 sq ch | 2,149.8168188 sq ch | 2,174.5273569 sq ch | 2,199.2378951 sq ch | 2,223.9484332 sq ch | 2,248.6589714 sq ch | 2,273.3695095 sq ch | 2,298.0800476 sq ch | 2,322.7905858 sq ch | 2,347.5011239 sq ch | 2,372.2116621 sq ch | 2,396.9222002 sq ch | 2,421.6327384 sq ch | 2,446.3432765 sq ch | 2,471.0538147 sq ch |
The hectare (/ˈhɛktɛər/ or /ˈhɛktɑːr/), although not a unit of SI, is the only named unit of area that is accepted for use within the SI. In practice the hectare is fully derived from the SI, being equivalent to a square hectometre. It is widely used throughout the world for the measurement of large areas of land, and it is the legal unit of measure in domains concerned with land ownership, planning, and management, including law (land deeds), agriculture, forestry, and town planning throughout the European Union. The United Kingdom, United States, Burma, and to some extent Canada instead use the acre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
hectare | ha | ≡ 10000 m2 | ≡ 10000 m2 | Metric system SI |
hectares | square chains (international) | hectares | square chains (international) |
---|---|---|---|
1 | ≡ 24.710538146717 | 6 | ≡ 148.2632288803 |
2 | ≡ 49.421076293433 | 7 | ≡ 172.97376702702 |
3 | ≡ 74.13161444015 | 8 | ≡ 197.68430517373 |
4 | ≡ 98.842152586866 | 9 | ≡ 222.39484332045 |
5 | ≡ 123.55269073358 | 10 | ≡ 247.10538146717 |
square chain is a unit of area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square chain (international) | sq ch | ≡ 66 ft × 66 ft = 1⁄10 ac | ≡ 404.68564224 m2 | Imperial/US |
square chains (international) | hectares | square chains (international) | hectares |
---|---|---|---|
1 | ≡ 0.040468564224 | 6 | ≡ 0.242811385344 |
2 | ≡ 0.080937128448 | 7 | ≡ 0.283279949568 |
3 | ≡ 0.121405692672 | 8 | ≡ 0.323748513792 |
4 | ≡ 0.161874256896 | 9 | ≡ 0.364217078016 |
5 | ≡ 0.20234282112 | 10 | ≡ 0.40468564224 |
hectares | square chains (international) |
---|---|
1 | ≡ 24.7105381 |
0.0404686 | ≡ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |