helf circle | 1 1/2 circle | 2 1/2 circle | 3 1/2 circle | 4 1/2 circle | 5 1/2 circle | 6 1/2 circle | 7 1/2 circle | 8 1/2 circle | 9 1/2 circle | 10 1/2 circle | 11 1/2 circle | 12 1/2 circle | 13 1/2 circle | 14 1/2 circle | 15 1/2 circle | 16 1/2 circle | 17 1/2 circle | 18 1/2 circle | 19 1/2 circle | 20 1/2 circle | 21 1/2 circle | 22 1/2 circle | 23 1/2 circle | 24 1/2 circle | 25 1/2 circle | 26 1/2 circle | 27 1/2 circle | 28 1/2 circle | 29 1/2 circle | 30 1/2 circle | 31 1/2 circle | 32 1/2 circle | 33 1/2 circle | 34 1/2 circle | 35 1/2 circle | 36 1/2 circle | 37 1/2 circle | 38 1/2 circle | 39 1/2 circle | 40 1/2 circle | 41 1/2 circle | 42 1/2 circle | 43 1/2 circle | 44 1/2 circle | 45 1/2 circle | 46 1/2 circle | 47 1/2 circle | 48 1/2 circle | 49 1/2 circle | 50 1/2 circle | 51 1/2 circle | 52 1/2 circle | 53 1/2 circle | 54 1/2 circle | 55 1/2 circle | 56 1/2 circle | 57 1/2 circle | 58 1/2 circle | 59 1/2 circle | 60 1/2 circle | 61 1/2 circle | 62 1/2 circle | 63 1/2 circle | 64 1/2 circle | 65 1/2 circle | 66 1/2 circle | 67 1/2 circle | 68 1/2 circle | 69 1/2 circle | 70 1/2 circle | 71 1/2 circle | 72 1/2 circle | 73 1/2 circle | 74 1/2 circle | 75 1/2 circle | 76 1/2 circle | 77 1/2 circle | 78 1/2 circle | 79 1/2 circle | 80 1/2 circle | 81 1/2 circle | 82 1/2 circle | 83 1/2 circle | 84 1/2 circle | 85 1/2 circle | 86 1/2 circle | 87 1/2 circle | 88 1/2 circle | 89 1/2 circle | 90 1/2 circle | 91 1/2 circle | 92 1/2 circle | 93 1/2 circle | 94 1/2 circle | 95 1/2 circle | 96 1/2 circle | 97 1/2 circle | 98 1/2 circle | 99 1/2 circle | 100 1/2 circle |
arcminute | 10 800 ' | 21 600 ' | 32 400 ' | 43 200 ' | 54 000 ' | 64 800 ' | 75 600 ' | 86 400 ' | 97 200 ' | 108 000 ' | 118 800 ' | 129 600 ' | 140 400 ' | 151 200 ' | 162 000 ' | 172 800 ' | 183 600 ' | 194 400 ' | 205 200 ' | 216 000 ' | 226 800 ' | 237 600 ' | 248 400 ' | 259 200 ' | 270 000 ' | 280 800 ' | 291 600 ' | 302 400 ' | 313 200 ' | 324 000 ' | 334 800 ' | 345 600 ' | 356 400 ' | 367 200 ' | 378 000 ' | 388 800 ' | 399 600 ' | 410 400 ' | 421 200 ' | 432 000 ' | 442 800 ' | 453 600 ' | 464 400 ' | 475 200 ' | 486 000 ' | 496 800 ' | 507 600 ' | 518 400 ' | 529 200 ' | 540 000 ' | 550 800 ' | 561 600 ' | 572 400 ' | 583 200 ' | 594 000 ' | 604 800 ' | 615 600 ' | 626 400 ' | 637 200 ' | 648 000 ' | 658 800 ' | 669 600 ' | 680 400 ' | 691 200 ' | 702 000 ' | 712 800 ' | 723 600 ' | 734 400 ' | 745 200 ' | 756 000 ' | 766 800 ' | 777 600 ' | 788 400 ' | 799 200 ' | 810 000 ' | 820 800 ' | 831 600 ' | 842 400 ' | 853 200 ' | 864 000 ' | 874 800 ' | 885 600 ' | 896 400 ' | 907 200 ' | 918 000 ' | 928 800 ' | 939 600 ' | 950 400 ' | 961 200 ' | 972 000 ' | 982 800 ' | 993 600 ' | 1 004 400 ' | 1 015 200 ' | 1 026 000 ' | 1 036 800 ' | 1 047 600 ' | 1 058 400 ' | 1 069 200 ' | 1 080 000 ' |
1/2 circle or half circle is equal to 360°/2 = 180°. Plural name is helf circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
helf circle | 1/2 circle | ≡ 180 ° | = 3.1415926 rad | Metric system SI |
helf circles | arcminutes | helf circles | arcminutes |
---|---|---|---|
1 | ≈ 10800 | 6 | ≈ 64800 |
2 | ≈ 21600 | 7 | ≈ 75600 |
3 | ≈ 32400 | 8 | ≈ 86400 |
4 | ≈ 43200 | 9 | ≈ 97200 |
5 | ≈ 54000 | 10 | ≈ 108000 |
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 | helf circles | arcminutes | helf circles |
---|---|---|---|
1 | ≈ 9.2592592592593E-5 | 6 | ≈ 0.00055555555555556 |
2 | ≈ 0.00018518518518519 | 7 | ≈ 0.00064814814814815 |
3 | ≈ 0.00027777777777778 | 8 | ≈ 0.00074074074074074 |
4 | ≈ 0.00037037037037037 | 9 | ≈ 0.00083333333333333 |
5 | ≈ 0.00046296296296296 | 10 | ≈ 0.00092592592592593 |
helf circles | arcminutes |
---|---|
1 | ≈ 10 800 |
9.2592592592593 × 10-5 | ≈ 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 …) |