quarter circle | 1 1/4 circle | 2 1/4 circle | 3 1/4 circle | 4 1/4 circle | 5 1/4 circle | 6 1/4 circle | 7 1/4 circle | 8 1/4 circle | 9 1/4 circle | 10 1/4 circle | 11 1/4 circle | 12 1/4 circle | 13 1/4 circle | 14 1/4 circle | 15 1/4 circle | 16 1/4 circle | 17 1/4 circle | 18 1/4 circle | 19 1/4 circle | 20 1/4 circle | 21 1/4 circle | 22 1/4 circle | 23 1/4 circle | 24 1/4 circle | 25 1/4 circle | 26 1/4 circle | 27 1/4 circle | 28 1/4 circle | 29 1/4 circle | 30 1/4 circle | 31 1/4 circle | 32 1/4 circle | 33 1/4 circle | 34 1/4 circle | 35 1/4 circle | 36 1/4 circle | 37 1/4 circle | 38 1/4 circle | 39 1/4 circle | 40 1/4 circle | 41 1/4 circle | 42 1/4 circle | 43 1/4 circle | 44 1/4 circle | 45 1/4 circle | 46 1/4 circle | 47 1/4 circle | 48 1/4 circle | 49 1/4 circle | 50 1/4 circle | 51 1/4 circle | 52 1/4 circle | 53 1/4 circle | 54 1/4 circle | 55 1/4 circle | 56 1/4 circle | 57 1/4 circle | 58 1/4 circle | 59 1/4 circle | 60 1/4 circle | 61 1/4 circle | 62 1/4 circle | 63 1/4 circle | 64 1/4 circle | 65 1/4 circle | 66 1/4 circle | 67 1/4 circle | 68 1/4 circle | 69 1/4 circle | 70 1/4 circle | 71 1/4 circle | 72 1/4 circle | 73 1/4 circle | 74 1/4 circle | 75 1/4 circle | 76 1/4 circle | 77 1/4 circle | 78 1/4 circle | 79 1/4 circle | 80 1/4 circle | 81 1/4 circle | 82 1/4 circle | 83 1/4 circle | 84 1/4 circle | 85 1/4 circle | 86 1/4 circle | 87 1/4 circle | 88 1/4 circle | 89 1/4 circle | 90 1/4 circle | 91 1/4 circle | 92 1/4 circle | 93 1/4 circle | 94 1/4 circle | 95 1/4 circle | 96 1/4 circle | 97 1/4 circle | 98 1/4 circle | 99 1/4 circle | 100 1/4 circle |
arcminute | 5 400 ' | 10 800 ' | 16 200 ' | 21 600 ' | 27 000 ' | 32 400 ' | 37 800 ' | 43 200 ' | 48 600 ' | 54 000 ' | 59 400 ' | 64 800 ' | 70 200 ' | 75 600 ' | 81 000 ' | 86 400 ' | 91 800 ' | 97 200 ' | 102 600 ' | 108 000 ' | 113 400 ' | 118 800 ' | 124 200 ' | 129 600 ' | 135 000 ' | 140 400 ' | 145 800 ' | 151 200 ' | 156 600 ' | 162 000 ' | 167 400 ' | 172 800 ' | 178 200 ' | 183 600 ' | 189 000 ' | 194 400 ' | 199 800 ' | 205 200 ' | 210 600 ' | 216 000 ' | 221 400 ' | 226 800 ' | 232 200 ' | 237 600 ' | 243 000 ' | 248 400 ' | 253 800 ' | 259 200 ' | 264 600 ' | 270 000 ' | 275 400 ' | 280 800 ' | 286 200 ' | 291 600 ' | 297 000 ' | 302 400 ' | 307 800 ' | 313 200 ' | 318 600 ' | 324 000 ' | 329 400 ' | 334 800 ' | 340 200 ' | 345 600 ' | 351 000 ' | 356 400 ' | 361 800 ' | 367 200 ' | 372 600 ' | 378 000 ' | 383 400 ' | 388 800 ' | 394 200 ' | 399 600 ' | 405 000 ' | 410 400 ' | 415 800 ' | 421 200 ' | 426 600 ' | 432 000 ' | 437 400 ' | 442 800 ' | 448 200 ' | 453 600 ' | 459 000 ' | 464 400 ' | 469 800 ' | 475 200 ' | 480 600 ' | 486 000 ' | 491 400 ' | 496 800 ' | 502 200 ' | 507 600 ' | 513 000 ' | 518 400 ' | 523 800 ' | 529 200 ' | 534 600 ' | 540 000 ' |
1/4 circle or quarter circle is equal to 360°/4 = 90°. Plural name is quarter circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter circle | 1/4 circle | ≡ 45 ° | = 1.5707963 rad | Metric system SI |
quarter circles | arcminutes | quarter circles | arcminutes |
---|---|---|---|
1 | ≈ 5400 | 6 | ≈ 32400 |
2 | ≈ 10800 | 7 | ≈ 37800 |
3 | ≈ 16200 | 8 | ≈ 43200 |
4 | ≈ 21600 | 9 | ≈ 48600 |
5 | ≈ 27000 | 10 | ≈ 54000 |
A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to 1/60 of one degree.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
arcminute | ' | ≡ 1°⁄60 | ≈ 0.290888×10−3 rad | Metric system SI |
arcminutes | quarter circles | arcminutes | quarter circles |
---|---|---|---|
1 | ≈ 0.00018518518518519 | 6 | ≈ 0.0011111111111111 |
2 | ≈ 0.00037037037037037 | 7 | ≈ 0.0012962962962963 |
3 | ≈ 0.00055555555555556 | 8 | ≈ 0.0014814814814815 |
4 | ≈ 0.00074074074074074 | 9 | ≈ 0.0016666666666667 |
5 | ≈ 0.00092592592592593 | 10 | ≈ 0.0018518518518519 |
quarter circles | arcminutes |
---|---|
1 | ≈ 5 400 |
0.0001852 | ≈ 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 …) |