rood | 1 ro | 2 ro | 3 ro | 4 ro | 5 ro | 6 ro | 7 ro | 8 ro | 9 ro | 10 ro | 11 ro | 12 ro | 13 ro | 14 ro | 15 ro | 16 ro | 17 ro | 18 ro | 19 ro | 20 ro | 21 ro | 22 ro | 23 ro | 24 ro | 25 ro | 26 ro | 27 ro | 28 ro | 29 ro | 30 ro | 31 ro | 32 ro | 33 ro | 34 ro | 35 ro | 36 ro | 37 ro | 38 ro | 39 ro | 40 ro | 41 ro | 42 ro | 43 ro | 44 ro | 45 ro | 46 ro | 47 ro | 48 ro | 49 ro | 50 ro | 51 ro | 52 ro | 53 ro | 54 ro | 55 ro | 56 ro | 57 ro | 58 ro | 59 ro | 60 ro | 61 ro | 62 ro | 63 ro | 64 ro | 65 ro | 66 ro | 67 ro | 68 ro | 69 ro | 70 ro | 71 ro | 72 ro | 73 ro | 74 ro | 75 ro | 76 ro | 77 ro | 78 ro | 79 ro | 80 ro | 81 ro | 82 ro | 83 ro | 84 ro | 85 ro | 86 ro | 87 ro | 88 ro | 89 ro | 90 ro | 91 ro | 92 ro | 93 ro | 94 ro | 95 ro | 96 ro | 97 ro | 98 ro | 99 ro | 100 ro |
hectare | 0.1011714 ha | 0.2023428 ha | 0.3035142 ha | 0.4046856 ha | 0.5058571 ha | 0.6070285 ha | 0.7081999 ha | 0.8093713 ha | 0.9105427 ha | 1.0117141 ha | 1.1128855 ha | 1.2140569 ha | 1.3152283 ha | 1.4163997 ha | 1.5175712 ha | 1.6187426 ha | 1.7199140 ha | 1.8210854 ha | 1.9222568 ha | 2.0234282 ha | 2.1245996 ha | 2.2257710 ha | 2.3269424 ha | 2.4281139 ha | 2.5292853 ha | 2.6304567 ha | 2.7316281 ha | 2.8327995 ha | 2.9339709 ha | 3.0351423 ha | 3.1363137 ha | 3.2374851 ha | 3.3386565 ha | 3.4398280 ha | 3.5409994 ha | 3.6421708 ha | 3.7433422 ha | 3.8445136 ha | 3.9456850 ha | 4.0468564 ha | 4.1480278 ha | 4.2491992 ha | 4.3503707 ha | 4.4515421 ha | 4.5527135 ha | 4.6538849 ha | 4.7550563 ha | 4.8562277 ha | 4.9573991 ha | 5.0585705 ha | 5.1597419 ha | 5.2609133 ha | 5.3620848 ha | 5.4632562 ha | 5.5644276 ha | 5.6655990 ha | 5.7667704 ha | 5.8679418 ha | 5.9691132 ha | 6.0702846 ha | 6.1714560 ha | 6.2726275 ha | 6.3737989 ha | 6.4749703 ha | 6.5761417 ha | 6.6773131 ha | 6.7784845 ha | 6.8796559 ha | 6.9808273 ha | 7.0819987 ha | 7.1831701 ha | 7.2843416 ha | 7.3855130 ha | 7.4866844 ha | 7.5878558 ha | 7.6890272 ha | 7.7901986 ha | 7.8913700 ha | 7.9925414 ha | 8.0937128 ha | 8.1948843 ha | 8.2960557 ha | 8.3972271 ha | 8.4983985 ha | 8.5995699 ha | 8.7007413 ha | 8.8019127 ha | 8.9030841 ha | 9.0042555 ha | 9.1054270 ha | 9.2065984 ha | 9.3077698 ha | 9.4089412 ha | 9.5101126 ha | 9.6112840 ha | 9.7124554 ha | 9.8136268 ha | 9.9147982 ha | 10.0159696 ha | 10.1171411 ha |
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 |
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 |
roods | hectares |
---|---|
1 | = 0.1011714 |
9.8842153 | = 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 …) |