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 |
are | 10.1171411 a | 20.2342821 a | 30.3514232 a | 40.4685642 a | 50.5857053 a | 60.7028463 a | 70.8199874 a | 80.9371284 a | 91.0542695 a | 101.1714106 a | 111.2885516 a | 121.4056927 a | 131.5228337 a | 141.6399748 a | 151.7571158 a | 161.8742569 a | 171.9913980 a | 182.1085390 a | 192.2256801 a | 202.3428211 a | 212.4599622 a | 222.5771032 a | 232.6942443 a | 242.8113853 a | 252.9285264 a | 263.0456675 a | 273.1628085 a | 283.2799496 a | 293.3970906 a | 303.5142317 a | 313.6313727 a | 323.7485138 a | 333.8656548 a | 343.9827959 a | 354.0999370 a | 364.2170780 a | 374.3342191 a | 384.4513601 a | 394.5685012 a | 404.6856422 a | 414.8027833 a | 424.9199244 a | 435.0370654 a | 445.1542065 a | 455.2713475 a | 465.3884886 a | 475.5056296 a | 485.6227707 a | 495.7399117 a | 505.8570528 a | 515.9741939 a | 526.0913349 a | 536.2084760 a | 546.3256170 a | 556.4427581 a | 566.5598991 a | 576.6770402 a | 586.7941812 a | 596.9113223 a | 607.0284634 a | 617.1456044 a | 627.2627455 a | 637.3798865 a | 647.4970276 a | 657.6141686 a | 667.7313097 a | 677.8484508 a | 687.9655918 a | 698.0827329 a | 708.1998739 a | 718.3170150 a | 728.4341560 a | 738.5512971 a | 748.6684381 a | 758.7855792 a | 768.9027203 a | 779.0198613 a | 789.1370024 a | 799.2541434 a | 809.3712845 a | 819.4884255 a | 829.6055666 a | 839.7227076 a | 849.8398487 a | 859.9569898 a | 870.0741308 a | 880.1912719 a | 890.3084129 a | 900.4255540 a | 910.5426950 a | 920.6598361 a | 930.7769772 a | 940.8941182 a | 951.0112593 a | 961.1284003 a | 971.2455414 a | 981.3626824 a | 991.4798235 a | 1,001.5969645 a | 1,011.7141056 a |
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 | ares | roods | ares |
---|---|---|---|
1 | = 10.117141056 | 6 | = 60.702846336 |
2 | = 20.234282112 | 7 | = 70.819987392 |
3 | = 30.351423168 | 8 | = 80.937128448 |
4 | = 40.468564224 | 9 | = 91.054269504 |
5 | = 50.58570528 | 10 | = 101.17141056 |
The are (/ˈɑːr/ or /ˈɛər/) is a unit of area, equal to 100 square metres (10 m × 10 m), used for measuring land area. It was defined by older forms of the metric system, but is now outside of the modern International System of Units (SI).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
are | a | ≡ 100 m2 | ≡ 100 m2 | Metric system SI |
ares | roods | ares | roods |
---|---|---|---|
1 | = 0.098842152586866 | 6 | = 0.5930529155212 |
2 | = 0.19768430517373 | 7 | = 0.69189506810806 |
3 | = 0.2965264577606 | 8 | = 0.79073722069493 |
4 | = 0.39536861034746 | 9 | = 0.8895793732818 |
5 | = 0.49421076293433 | 10 | = 0.98842152586866 |
roods | ares |
---|---|
1 | = 10.1171411 |
0.0988422 | = 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 …) |