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 |
square mile | 0.0003906 sq mi | 0.0007813 sq mi | 0.0011719 sq mi | 0.0015625 sq mi | 0.0019531 sq mi | 0.0023438 sq mi | 0.0027344 sq mi | 0.003125 sq mi | 0.0035156 sq mi | 0.0039063 sq mi | 0.0042969 sq mi | 0.0046875 sq mi | 0.0050781 sq mi | 0.0054688 sq mi | 0.0058594 sq mi | 0.00625 sq mi | 0.0066406 sq mi | 0.0070313 sq mi | 0.0074219 sq mi | 0.0078125 sq mi | 0.0082031 sq mi | 0.0085938 sq mi | 0.0089844 sq mi | 0.009375 sq mi | 0.0097656 sq mi | 0.0101563 sq mi | 0.0105469 sq mi | 0.0109375 sq mi | 0.0113281 sq mi | 0.0117188 sq mi | 0.0121094 sq mi | 0.0125 sq mi | 0.0128906 sq mi | 0.0132813 sq mi | 0.0136719 sq mi | 0.0140625 sq mi | 0.0144531 sq mi | 0.0148438 sq mi | 0.0152344 sq mi | 0.015625 sq mi | 0.0160156 sq mi | 0.0164063 sq mi | 0.0167969 sq mi | 0.0171875 sq mi | 0.0175781 sq mi | 0.0179688 sq mi | 0.0183594 sq mi | 0.01875 sq mi | 0.0191406 sq mi | 0.0195313 sq mi | 0.0199219 sq mi | 0.0203125 sq mi | 0.0207031 sq mi | 0.0210938 sq mi | 0.0214844 sq mi | 0.021875 sq mi | 0.0222656 sq mi | 0.0226563 sq mi | 0.0230469 sq mi | 0.0234375 sq mi | 0.0238281 sq mi | 0.0242188 sq mi | 0.0246094 sq mi | 0.025 sq mi | 0.0253906 sq mi | 0.0257813 sq mi | 0.0261719 sq mi | 0.0265625 sq mi | 0.0269531 sq mi | 0.0273438 sq mi | 0.0277344 sq mi | 0.028125 sq mi | 0.0285156 sq mi | 0.0289063 sq mi | 0.0292969 sq mi | 0.0296875 sq mi | 0.0300781 sq mi | 0.0304688 sq mi | 0.0308594 sq mi | 0.03125 sq mi | 0.0316406 sq mi | 0.0320313 sq mi | 0.0324219 sq mi | 0.0328125 sq mi | 0.0332031 sq mi | 0.0335938 sq mi | 0.0339844 sq mi | 0.034375 sq mi | 0.0347656 sq mi | 0.0351563 sq mi | 0.0355469 sq mi | 0.0359375 sq mi | 0.0363281 sq mi | 0.0367188 sq mi | 0.0371094 sq mi | 0.0375 sq mi | 0.0378906 sq mi | 0.0382813 sq mi | 0.0386719 sq mi | 0.0390625 sq mi |
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 | square miles | roods | square miles |
---|---|---|---|
1 | = 0.000390625 | 6 | = 0.00234375 |
2 | = 0.00078125 | 7 | = 0.002734375 |
3 | = 0.001171875 | 8 | = 0.003125 |
4 | = 0.0015625 | 9 | = 0.003515625 |
5 | = 0.001953125 | 10 | = 0.00390625 |
The square mile (abbreviated as sq mi and sometimes as mi²) is an imperial and US unit of measure for an area equal to the area of a square with a side length of one statute mile.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square mile | sq mi | ≡ 1 mi × 1 mi | ≡ 2.589988110336×106 m2 | Imperial/US |
square miles | roods | square miles | roods |
---|---|---|---|
1 | = 2560 | 6 | = 15360 |
2 | = 5120 | 7 | = 17920 |
3 | = 7680 | 8 | = 20480 |
4 | = 10240 | 9 | = 23040 |
5 | = 12800 | 10 | = 25600 |
roods | square miles |
---|---|
1 | = 0.0003906 |
2 560 | = 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 …) |