eighth circle | 1 1/8 circle | 2 1/8 circle | 3 1/8 circle | 4 1/8 circle | 5 1/8 circle | 6 1/8 circle | 7 1/8 circle | 8 1/8 circle | 9 1/8 circle | 10 1/8 circle | 11 1/8 circle | 12 1/8 circle | 13 1/8 circle | 14 1/8 circle | 15 1/8 circle | 16 1/8 circle | 17 1/8 circle | 18 1/8 circle | 19 1/8 circle | 20 1/8 circle | 21 1/8 circle | 22 1/8 circle | 23 1/8 circle | 24 1/8 circle | 25 1/8 circle | 26 1/8 circle | 27 1/8 circle | 28 1/8 circle | 29 1/8 circle | 30 1/8 circle | 31 1/8 circle | 32 1/8 circle | 33 1/8 circle | 34 1/8 circle | 35 1/8 circle | 36 1/8 circle | 37 1/8 circle | 38 1/8 circle | 39 1/8 circle | 40 1/8 circle | 41 1/8 circle | 42 1/8 circle | 43 1/8 circle | 44 1/8 circle | 45 1/8 circle | 46 1/8 circle | 47 1/8 circle | 48 1/8 circle | 49 1/8 circle | 50 1/8 circle | 51 1/8 circle | 52 1/8 circle | 53 1/8 circle | 54 1/8 circle | 55 1/8 circle | 56 1/8 circle | 57 1/8 circle | 58 1/8 circle | 59 1/8 circle | 60 1/8 circle | 61 1/8 circle | 62 1/8 circle | 63 1/8 circle | 64 1/8 circle | 65 1/8 circle | 66 1/8 circle | 67 1/8 circle | 68 1/8 circle | 69 1/8 circle | 70 1/8 circle | 71 1/8 circle | 72 1/8 circle | 73 1/8 circle | 74 1/8 circle | 75 1/8 circle | 76 1/8 circle | 77 1/8 circle | 78 1/8 circle | 79 1/8 circle | 80 1/8 circle | 81 1/8 circle | 82 1/8 circle | 83 1/8 circle | 84 1/8 circle | 85 1/8 circle | 86 1/8 circle | 87 1/8 circle | 88 1/8 circle | 89 1/8 circle | 90 1/8 circle | 91 1/8 circle | 92 1/8 circle | 93 1/8 circle | 94 1/8 circle | 95 1/8 circle | 96 1/8 circle | 97 1/8 circle | 98 1/8 circle | 99 1/8 circle | 100 1/8 circle |
revolution | 0.125 r | 0.25 r | 0.375 r | 0.5 r | 0.625 r | 0.75 r | 0.875 r | 1 r | 1.125 r | 1.25 r | 1.375 r | 1.5 r | 1.625 r | 1.75 r | 1.875 r | 2 r | 2.125 r | 2.25 r | 2.375 r | 2.5 r | 2.625 r | 2.75 r | 2.875 r | 3 r | 3.125 r | 3.25 r | 3.375 r | 3.5 r | 3.625 r | 3.75 r | 3.875 r | 4 r | 4.125 r | 4.25 r | 4.375 r | 4.5 r | 4.625 r | 4.75 r | 4.875 r | 5 r | 5.125 r | 5.25 r | 5.375 r | 5.5 r | 5.625 r | 5.75 r | 5.875 r | 6 r | 6.125 r | 6.25 r | 6.375 r | 6.5 r | 6.625 r | 6.75 r | 6.875 r | 7 r | 7.125 r | 7.25 r | 7.375 r | 7.5 r | 7.625 r | 7.75 r | 7.875 r | 8 r | 8.125 r | 8.25 r | 8.375 r | 8.5 r | 8.625 r | 8.75 r | 8.875 r | 9 r | 9.125 r | 9.25 r | 9.375 r | 9.5 r | 9.625 r | 9.75 r | 9.875 r | 10 r | 10.125 r | 10.25 r | 10.375 r | 10.5 r | 10.625 r | 10.75 r | 10.875 r | 11 r | 11.125 r | 11.25 r | 11.375 r | 11.5 r | 11.625 r | 11.75 r | 11.875 r | 12 r | 12.125 r | 12.25 r | 12.375 r | 12.5 r |
1/8 circle or eighth circle is equal to 360/8 = 45°. Plural name is eighth circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
eighth circle | 1/8 circle | ≡ 45 ° | = 0.78539815 rad | Metric system SI |
eighth circles | revolutions | eighth circles | revolutions |
---|---|---|---|
1 | = 0.125 | 6 | = 0.75 |
2 | = 0.25 | 7 | = 0.875 |
3 | = 0.375 | 8 | = 1 |
4 | = 0.5 | 9 | = 1.125 |
5 | = 0.625 | 10 | = 1.25 |
A revolution is a unit of angle equal to 360°, defined as a complete turn around a circle. Plural name is revolutions.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
revolution | r | ≡ 360 ° | = 6.2831852 rad | Metric system SI |
revolutions | eighth circles | revolutions | eighth circles |
---|---|---|---|
1 | = 8 | 6 | = 48 |
2 | = 16 | 7 | = 56 |
3 | = 24 | 8 | = 64 |
4 | = 32 | 9 | = 72 |
5 | = 40 | 10 | = 80 |
eighth circles | revolutions |
---|---|
1 | = 0.125 |
8 | = 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 …) |