| rod | 1 rd | 2 rd | 3 rd | 4 rd | 5 rd | 6 rd | 7 rd | 8 rd | 9 rd | 10 rd | 11 rd | 12 rd | 13 rd | 14 rd | 15 rd | 16 rd | 17 rd | 18 rd | 19 rd | 20 rd | 21 rd | 22 rd | 23 rd | 24 rd | 25 rd | 26 rd | 27 rd | 28 rd | 29 rd | 30 rd | 31 rd | 32 rd | 33 rd | 34 rd | 35 rd | 36 rd | 37 rd | 38 rd | 39 rd | 40 rd | 41 rd | 42 rd | 43 rd | 44 rd | 45 rd | 46 rd | 47 rd | 48 rd | 49 rd | 50 rd | 51 rd | 52 rd | 53 rd | 54 rd | 55 rd | 56 rd | 57 rd | 58 rd | 59 rd | 60 rd | 61 rd | 62 rd | 63 rd | 64 rd | 65 rd | 66 rd | 67 rd | 68 rd | 69 rd | 70 rd | 71 rd | 72 rd | 73 rd | 74 rd | 75 rd | 76 rd | 77 rd | 78 rd | 79 rd | 80 rd | 81 rd | 82 rd | 83 rd | 84 rd | 85 rd | 86 rd | 87 rd | 88 rd | 89 rd | 90 rd | 91 rd | 92 rd | 93 rd | 94 rd | 95 rd | 96 rd | 97 rd | 98 rd | 99 rd | 100 rd |
| line | 2 376 ln | 4 752 ln | 7 128 ln | 9 504 ln | 11 880 ln | 14 256 ln | 16 632 ln | 19 008 ln | 21 384 ln | 23 760 ln | 26 136 ln | 28 512 ln | 30 888 ln | 33 264 ln | 35 640 ln | 38 016 ln | 40 392 ln | 42 768 ln | 45 144 ln | 47 520 ln | 49 896 ln | 52 272 ln | 54 648 ln | 57 024 ln | 59 400 ln | 61 776 ln | 64 152 ln | 66 528 ln | 68 904 ln | 71 280 ln | 73 656 ln | 76 032 ln | 78 408 ln | 80 784 ln | 83 160 ln | 85 536 ln | 87 912 ln | 90 288 ln | 92 664 ln | 95 040 ln | 97 416 ln | 99 792 ln | 102 168 ln | 104 544 ln | 106 920 ln | 109 296 ln | 111 672 ln | 114 048 ln | 116 424 ln | 118 800 ln | 121 176 ln | 123 552 ln | 125 928 ln | 128 304 ln | 130 680 ln | 133 056 ln | 135 432 ln | 137 808 ln | 140 184 ln | 142 560 ln | 144 936 ln | 147 312 ln | 149 688 ln | 152 064 ln | 154 440 ln | 156 816 ln | 159 192 ln | 161 568 ln | 163 944 ln | 166 320 ln | 168 696 ln | 171 072 ln | 173 448 ln | 175 824 ln | 178 200 ln | 180 576 ln | 182 952 ln | 185 328 ln | 187 704 ln | 190 080 ln | 192 456 ln | 194 832 ln | 197 208 ln | 199 584 ln | 201 960 ln | 204 336 ln | 206 712 ln | 209 088 ln | 211 464 ln | 213 840 ln | 216 216 ln | 218 592 ln | 220 968 ln | 223 344 ln | 225 720 ln | 228 096 ln | 230 472 ln | 232 848 ln | 235 224 ln | 237 600 ln |
The rod or perch or pole is a surveyors tool and unit of length equal to 5 1⁄2 yards, 16 1⁄2 feet, 1⁄320 of a statute mile or one-fourth of a surveyor's chain and 5.0292 meters.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| rod | rd | ≡ 16 1⁄2 ft | = 5.0292 m | Imperial/US |
| rods | lines | rods | lines |
|---|---|---|---|
| 1 | = 2376 | 4 | = 9504 |
| 1.5 | = 3564 | 4.5 | = 10692 |
| 2 | = 4752 | 5 | = 11880 |
| 2.5 | = 5940 | 5.5 | = 13068 |
| 3 | = 7128 | 6 | = 14256 |
The line (abbreviated L or l) was a small English unit of length, variously reckoned as 1⁄10, 1⁄12, 1⁄16, or 1⁄40 of an inch. It was not included among the units authorized as the British Imperial system in 1824.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| line | ln | ≡ 1⁄12 in | = 0.002116 m | Imperial/US |
| lines | rods | lines | rods |
|---|---|---|---|
| 1 | = 0.00042087542087542 | 4 | = 0.0016835016835017 |
| 1.5 | = 0.00063131313131313 | 4.5 | = 0.0018939393939394 |
| 2 | = 0.00084175084175084 | 5 | = 0.0021043771043771 |
| 2.5 | = 0.0010521885521886 | 5.5 | = 0.0023148148148148 |
| 3 | = 0.0012626262626263 | 6 | = 0.0025252525252525 |
| rods | lines |
|---|---|
| 1 | = 2 376 |
| 0.0004209 | = 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 …) |