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 |
full circle | 0.5 circle | 1 circle | 1.5 circle | 2 circle | 2.5 circle | 3 circle | 3.5 circle | 4 circle | 4.5 circle | 5 circle | 5.5 circle | 6 circle | 6.5 circle | 7 circle | 7.5 circle | 8 circle | 8.5 circle | 9 circle | 9.5 circle | 10 circle | 10.5 circle | 11 circle | 11.5 circle | 12 circle | 12.5 circle | 13 circle | 13.5 circle | 14 circle | 14.5 circle | 15 circle | 15.5 circle | 16 circle | 16.5 circle | 17 circle | 17.5 circle | 18 circle | 18.5 circle | 19 circle | 19.5 circle | 20 circle | 20.5 circle | 21 circle | 21.5 circle | 22 circle | 22.5 circle | 23 circle | 23.5 circle | 24 circle | 24.5 circle | 25 circle | 25.5 circle | 26 circle | 26.5 circle | 27 circle | 27.5 circle | 28 circle | 28.5 circle | 29 circle | 29.5 circle | 30 circle | 30.5 circle | 31 circle | 31.5 circle | 32 circle | 32.5 circle | 33 circle | 33.5 circle | 34 circle | 34.5 circle | 35 circle | 35.5 circle | 36 circle | 36.5 circle | 37 circle | 37.5 circle | 38 circle | 38.5 circle | 39 circle | 39.5 circle | 40 circle | 40.5 circle | 41 circle | 41.5 circle | 42 circle | 42.5 circle | 43 circle | 43.5 circle | 44 circle | 44.5 circle | 45 circle | 45.5 circle | 46 circle | 46.5 circle | 47 circle | 47.5 circle | 48 circle | 48.5 circle | 49 circle | 49.5 circle | 50 circle |
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 | full circles | helf circles | full circles |
---|---|---|---|
1 | = 0.5 | 6 | = 3 |
2 | = 1 | 7 | = 3.5 |
3 | = 1.5 | 8 | = 4 |
4 | = 2 | 9 | = 4.5 |
5 | = 2.5 | 10 | = 5 |
Full circle is a traditional unit of plane angle. It is equal to 360 degrees. Plural name is full circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
full circle | circle | ≡ 360 ° | = 6.2831852 rad | Metric system SI |
full circles | helf circles | full circles | helf circles |
---|---|---|---|
1 | = 2 | 6 | = 12 |
2 | = 4 | 7 | = 14 |
3 | = 6 | 8 | = 16 |
4 | = 8 | 9 | = 18 |
5 | = 10 | 10 | = 20 |
helf circles | full circles |
---|---|
1 | = 0.5 |
2 | = 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 …) |