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 |
decare | 1.0117141 Da | 2.0234282 Da | 3.0351423 Da | 4.0468564 Da | 5.0585705 Da | 6.0702846 Da | 7.0819987 Da | 8.0937128 Da | 9.1054270 Da | 10.1171411 Da | 11.1288552 Da | 12.1405693 Da | 13.1522834 Da | 14.1639975 Da | 15.1757116 Da | 16.1874257 Da | 17.1991398 Da | 18.2108539 Da | 19.2225680 Da | 20.2342821 Da | 21.2459962 Da | 22.2577103 Da | 23.2694244 Da | 24.2811385 Da | 25.2928526 Da | 26.3045667 Da | 27.3162809 Da | 28.3279950 Da | 29.3397091 Da | 30.3514232 Da | 31.3631373 Da | 32.3748514 Da | 33.3865655 Da | 34.3982796 Da | 35.4099937 Da | 36.4217078 Da | 37.4334219 Da | 38.4451360 Da | 39.4568501 Da | 40.4685642 Da | 41.4802783 Da | 42.4919924 Da | 43.5037065 Da | 44.5154206 Da | 45.5271348 Da | 46.5388489 Da | 47.5505630 Da | 48.5622771 Da | 49.5739912 Da | 50.5857053 Da | 51.5974194 Da | 52.6091335 Da | 53.6208476 Da | 54.6325617 Da | 55.6442758 Da | 56.6559899 Da | 57.6677040 Da | 58.6794181 Da | 59.6911322 Da | 60.7028463 Da | 61.7145604 Da | 62.7262745 Da | 63.7379887 Da | 64.7497028 Da | 65.7614169 Da | 66.7731310 Da | 67.7848451 Da | 68.7965592 Da | 69.8082733 Da | 70.8199874 Da | 71.8317015 Da | 72.8434156 Da | 73.8551297 Da | 74.8668438 Da | 75.8785579 Da | 76.8902720 Da | 77.9019861 Da | 78.9137002 Da | 79.9254143 Da | 80.9371284 Da | 81.9488426 Da | 82.9605567 Da | 83.9722708 Da | 84.9839849 Da | 85.9956990 Da | 87.0074131 Da | 88.0191272 Da | 89.0308413 Da | 90.0425554 Da | 91.0542695 Da | 92.0659836 Da | 93.0776977 Da | 94.0894118 Da | 95.1011259 Da | 96.1128400 Da | 97.1245541 Da | 98.1362682 Da | 99.1479823 Da | 100.1596965 Da | 101.1714106 Da |
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 | decares | roods | decares |
---|---|---|---|
1 | = 1.0117141056 | 6 | = 6.0702846336 |
2 | = 2.0234282112 | 7 | = 7.0819987392 |
3 | = 3.0351423168 | 8 | = 8.0937128448 |
4 | = 4.0468564224 | 9 | = 9.1054269504 |
5 | = 5.058570528 | 10 | = 10.117141056 |
The decare (/ˈdɛkɑːr/ or /ˈdɛkɛər/) is derived from deca and are, and is equal to 10 ares or 1000 square metres. It is used in Norway and in the former Ottoman areas of the Middle East and the Balkans (Bulgaria) as a measure of land area. Instead of the name "decare", the names of traditional land measures are usually used, redefined as one decare:
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
decare | Da | ≡ 1000 m2 | ≡ 1000 m2 | Metric system SI |
decares | roods | decares | roods |
---|---|---|---|
1 | = 0.98842152586866 | 6 | = 5.930529155212 |
2 | = 1.9768430517373 | 7 | = 6.9189506810806 |
3 | = 2.965264577606 | 8 | = 7.9073722069493 |
4 | = 3.9536861034746 | 9 | = 8.895793732818 |
5 | = 4.9421076293433 | 10 | = 9.8842152586866 |
roods | decares |
---|---|
1 | = 1.0117141 |
0.9884215 | = 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 …) |