twelfth circle | 1 1/12 circle | 2 1/12 circle | 3 1/12 circle | 4 1/12 circle | 5 1/12 circle | 6 1/12 circle | 7 1/12 circle | 8 1/12 circle | 9 1/12 circle | 10 1/12 circle | 11 1/12 circle | 12 1/12 circle | 13 1/12 circle | 14 1/12 circle | 15 1/12 circle | 16 1/12 circle | 17 1/12 circle | 18 1/12 circle | 19 1/12 circle | 20 1/12 circle | 21 1/12 circle | 22 1/12 circle | 23 1/12 circle | 24 1/12 circle | 25 1/12 circle | 26 1/12 circle | 27 1/12 circle | 28 1/12 circle | 29 1/12 circle | 30 1/12 circle | 31 1/12 circle | 32 1/12 circle | 33 1/12 circle | 34 1/12 circle | 35 1/12 circle | 36 1/12 circle | 37 1/12 circle | 38 1/12 circle | 39 1/12 circle | 40 1/12 circle | 41 1/12 circle | 42 1/12 circle | 43 1/12 circle | 44 1/12 circle | 45 1/12 circle | 46 1/12 circle | 47 1/12 circle | 48 1/12 circle | 49 1/12 circle | 50 1/12 circle | 51 1/12 circle | 52 1/12 circle | 53 1/12 circle | 54 1/12 circle | 55 1/12 circle | 56 1/12 circle | 57 1/12 circle | 58 1/12 circle | 59 1/12 circle | 60 1/12 circle | 61 1/12 circle | 62 1/12 circle | 63 1/12 circle | 64 1/12 circle | 65 1/12 circle | 66 1/12 circle | 67 1/12 circle | 68 1/12 circle | 69 1/12 circle | 70 1/12 circle | 71 1/12 circle | 72 1/12 circle | 73 1/12 circle | 74 1/12 circle | 75 1/12 circle | 76 1/12 circle | 77 1/12 circle | 78 1/12 circle | 79 1/12 circle | 80 1/12 circle | 81 1/12 circle | 82 1/12 circle | 83 1/12 circle | 84 1/12 circle | 85 1/12 circle | 86 1/12 circle | 87 1/12 circle | 88 1/12 circle | 89 1/12 circle | 90 1/12 circle | 91 1/12 circle | 92 1/12 circle | 93 1/12 circle | 94 1/12 circle | 95 1/12 circle | 96 1/12 circle | 97 1/12 circle | 98 1/12 circle | 99 1/12 circle | 100 1/12 circle |
radian | 0.5235988 rad | 1.0471975 rad | 1.5707963 rad | 2.0943951 rad | 2.6179938 rad | 3.1415926 rad | 3.6651914 rad | 4.1887901 rad | 4.7123889 rad | 5.2359877 rad | 5.7595864 rad | 6.2831852 rad | 6.8067840 rad | 7.3303827 rad | 7.8539815 rad | 8.3775803 rad | 8.9011790 rad | 9.4247778 rad | 9.9483766 rad | 10.4719753 rad | 10.9955741 rad | 11.5191729 rad | 12.0427716 rad | 12.5663704 rad | 13.0899692 rad | 13.6135679 rad | 14.1371667 rad | 14.6607655 rad | 15.1843642 rad | 15.707963 rad | 16.2315618 rad | 16.7551605 rad | 17.2787593 rad | 17.8023581 rad | 18.3259568 rad | 18.8495556 rad | 19.3731544 rad | 19.8967531 rad | 20.4203519 rad | 20.9439507 rad | 21.4675494 rad | 21.9911482 rad | 22.5147470 rad | 23.0383457 rad | 23.5619445 rad | 24.0855433 rad | 24.6091420 rad | 25.1327408 rad | 25.6563396 rad | 26.1799383 rad | 26.7035371 rad | 27.2271359 rad | 27.7507346 rad | 28.2743334 rad | 28.7979322 rad | 29.3215309 rad | 29.8451297 rad | 30.3687285 rad | 30.8923272 rad | 31.415926 rad | 31.9395248 rad | 32.4631235 rad | 32.9867223 rad | 33.5103211 rad | 34.0339198 rad | 34.5575186 rad | 35.0811174 rad | 35.6047161 rad | 36.1283149 rad | 36.6519137 rad | 37.1755124 rad | 37.6991112 rad | 38.2227100 rad | 38.7463087 rad | 39.2699075 rad | 39.7935063 rad | 40.3171050 rad | 40.8407038 rad | 41.3643026 rad | 41.8879013 rad | 42.4115001 rad | 42.9350989 rad | 43.4586976 rad | 43.9822964 rad | 44.5058952 rad | 45.0294939 rad | 45.5530927 rad | 46.0766915 rad | 46.6002902 rad | 47.123889 rad | 47.6474878 rad | 48.1710865 rad | 48.6946853 rad | 49.2182841 rad | 49.7418828 rad | 50.2654816 rad | 50.7890804 rad | 51.3126791 rad | 51.8362779 rad | 52.3598767 rad |
1/12 circle or twelfth circle is equal to 360°/12 = 30°. Plural name is twelfth circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
twelfth circle | 1/12 circle | ≡ 30° | = 0.523598767 rad | Metric system SI |
twelfth circles | radians | twelfth circles | radians |
---|---|---|---|
1 | = 0.52359876666667 | 6 | = 3.1415926 |
2 | = 1.0471975333333 | 7 | = 3.6651913666667 |
3 | = 1.5707963 | 8 | = 4.1887901333333 |
4 | = 2.0943950666667 | 9 | = 4.7123889 |
5 | = 2.6179938333333 | 10 | = 5.2359876666667 |
The radian is the standard unit of angular measure, used in many areas of mathematics. The length of an arc of a unit circle is numerically equal to the measurement in radians of the angle that it subtends; one radian is just under 57.3 degrees.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
radian | rad | The angle subtended at the center of a circle by an arc whose length is equal to the circle's radius. One full revolution encompasses 2π radians. | = 1 rad | Metric system SI |
radians | twelfth circles | radians | twelfth circles |
---|---|---|---|
1 | = 1.9098593496814 | 6 | = 11.459156098089 |
2 | = 3.8197186993629 | 7 | = 13.36901544777 |
3 | = 5.7295780490443 | 8 | = 15.278874797451 |
4 | = 7.6394373987257 | 9 | = 17.188734147133 |
5 | = 9.5492967484072 | 10 | = 19.098593496814 |
twelfth circles | radians |
---|---|
1 | = 0.5235988 |
1.9098593 | = 1 |
You can find the conversion in other languages in the following:
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 …) |