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 |
rood | 9.8842153 ro | 19.7684305 ro | 29.6526458 ro | 39.5368610 ro | 49.4210763 ro | 59.3052916 ro | 69.1895068 ro | 79.0737221 ro | 88.9579373 ro | 98.8421526 ro | 108.7263678 ro | 118.6105831 ro | 128.4947984 ro | 138.3790136 ro | 148.2632289 ro | 158.1474441 ro | 168.0316594 ro | 177.9158747 ro | 187.8000899 ro | 197.6843052 ro | 207.5685204 ro | 217.4527357 ro | 227.3369509 ro | 237.2211662 ro | 247.1053815 ro | 256.9895967 ro | 266.8738120 ro | 276.7580272 ro | 286.6422425 ro | 296.5264578 ro | 306.4106730 ro | 316.2948883 ro | 326.1791035 ro | 336.0633188 ro | 345.9475341 ro | 355.8317493 ro | 365.7159646 ro | 375.6001798 ro | 385.4843951 ro | 395.3686103 ro | 405.2528256 ro | 415.1370409 ro | 425.0212561 ro | 434.9054714 ro | 444.7896866 ro | 454.6739019 ro | 464.5581172 ro | 474.4423324 ro | 484.3265477 ro | 494.2107629 ro | 504.0949782 ro | 513.9791935 ro | 523.8634087 ro | 533.7476240 ro | 543.6318392 ro | 553.5160545 ro | 563.4002697 ro | 573.2844850 ro | 583.1687003 ro | 593.0529155 ro | 602.9371308 ro | 612.8213460 ro | 622.7055613 ro | 632.5897766 ro | 642.4739918 ro | 652.3582071 ro | 662.2424223 ro | 672.1266376 ro | 682.0108528 ro | 691.8950681 ro | 701.7792834 ro | 711.6634986 ro | 721.5477139 ro | 731.4319291 ro | 741.3161444 ro | 751.2003597 ro | 761.0845749 ro | 770.9687902 ro | 780.8530054 ro | 790.7372207 ro | 800.6214360 ro | 810.5056512 ro | 820.3898665 ro | 830.2740817 ro | 840.1582970 ro | 850.0425122 ro | 859.9267275 ro | 869.8109428 ro | 879.6951580 ro | 889.5793733 ro | 899.4635885 ro | 909.3478038 ro | 919.2320191 ro | 929.1162343 ro | 939.0004496 ro | 948.8846648 ro | 958.7688801 ro | 968.6530954 ro | 978.5373106 ro | 988.4215259 ro |
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 | roods | hectares | roods |
---|---|---|---|
1 | = 9.8842152586866 | 6 | = 59.30529155212 |
2 | = 19.768430517373 | 7 | = 69.189506810806 |
3 | = 29.65264577606 | 8 | = 79.073722069493 |
4 | = 39.536861034746 | 9 | = 88.95793732818 |
5 | = 49.421076293433 | 10 | = 98.842152586866 |
A rood /ˈruːd/ is an historic English and international inch-pound measure of area, as well as an archaic English measure of length.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
rood | ro | ≡ 1⁄4 ac | = 1011.7141056 m2 | Imperial/US |
roods | hectares | roods | hectares |
---|---|---|---|
1 | = 0.10117141056 | 6 | = 0.60702846336 |
2 | = 0.20234282112 | 7 | = 0.70819987392 |
3 | = 0.30351423168 | 8 | = 0.80937128448 |
4 | = 0.40468564224 | 9 | = 0.91054269504 |
5 | = 0.5058570528 | 10 | = 1.0117141056 |
hectares | roods |
---|---|
1 | = 9.8842153 |
0.1011714 | = 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 …) |