| radian | 1 rad | 2 rad | 3 rad | 4 rad | 5 rad | 6 rad | 7 rad | 8 rad | 9 rad | 10 rad | 11 rad | 12 rad | 13 rad | 14 rad | 15 rad | 16 rad | 17 rad | 18 rad | 19 rad | 20 rad | 21 rad | 22 rad | 23 rad | 24 rad | 25 rad | 26 rad | 27 rad | 28 rad | 29 rad | 30 rad | 31 rad | 32 rad | 33 rad | 34 rad | 35 rad | 36 rad | 37 rad | 38 rad | 39 rad | 40 rad | 41 rad | 42 rad | 43 rad | 44 rad | 45 rad | 46 rad | 47 rad | 48 rad | 49 rad | 50 rad | 51 rad | 52 rad | 53 rad | 54 rad | 55 rad | 56 rad | 57 rad | 58 rad | 59 rad | 60 rad | 61 rad | 62 rad | 63 rad | 64 rad | 65 rad | 66 rad | 67 rad | 68 rad | 69 rad | 70 rad | 71 rad | 72 rad | 73 rad | 74 rad | 75 rad | 76 rad | 77 rad | 78 rad | 79 rad | 80 rad | 81 rad | 82 rad | 83 rad | 84 rad | 85 rad | 86 rad | 87 rad | 88 rad | 89 rad | 90 rad | 91 rad | 92 rad | 93 rad | 94 rad | 95 rad | 96 rad | 97 rad | 98 rad | 99 rad | 100 rad |
| revolution | 0.1591549 r | 0.3183099 r | 0.4774648 r | 0.6366198 r | 0.7957747 r | 0.9549297 r | 1.1140846 r | 1.2732396 r | 1.4323945 r | 1.5915495 r | 1.7507044 r | 1.9098593 r | 2.0690143 r | 2.2281692 r | 2.3873242 r | 2.5464791 r | 2.7056341 r | 2.8647890 r | 3.0239440 r | 3.1830989 r | 3.3422539 r | 3.5014088 r | 3.6605638 r | 3.8197187 r | 3.9788736 r | 4.1380286 r | 4.2971835 r | 4.4563385 r | 4.6154934 r | 4.7746484 r | 4.9338033 r | 5.0929583 r | 5.2521132 r | 5.4112682 r | 5.5704231 r | 5.7295780 r | 5.8887330 r | 6.0478879 r | 6.2070429 r | 6.3661978 r | 6.5253528 r | 6.6845077 r | 6.8436627 r | 7.0028176 r | 7.1619726 r | 7.3211275 r | 7.4802825 r | 7.6394374 r | 7.7985923 r | 7.9577473 r | 8.1169022 r | 8.2760572 r | 8.4352121 r | 8.5943671 r | 8.7535220 r | 8.9126770 r | 9.0718319 r | 9.2309869 r | 9.3901418 r | 9.5492967 r | 9.7084517 r | 9.8676066 r | 10.0267616 r | 10.1859165 r | 10.3450715 r | 10.5042264 r | 10.6633814 r | 10.8225363 r | 10.9816913 r | 11.1408462 r | 11.3000012 r | 11.4591561 r | 11.6183110 r | 11.7774660 r | 11.9366209 r | 12.0957759 r | 12.2549308 r | 12.4140858 r | 12.5732407 r | 12.7323957 r | 12.8915506 r | 13.0507056 r | 13.2098605 r | 13.3690154 r | 13.5281704 r | 13.6873253 r | 13.8464803 r | 14.0056352 r | 14.1647902 r | 14.3239451 r | 14.4831001 r | 14.6422550 r | 14.8014100 r | 14.9605649 r | 15.1197199 r | 15.2788748 r | 15.4380297 r | 15.5971847 r | 15.7563396 r | 15.9154946 r |
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.
| 1 radians = 0.15915494580679 revolutions | 6 radians = 0.95492967484072 revolutions |
| 2 radians = 0.31830989161357 revolutions | 7 radians = 1.1140846206475 revolutions |
| 3 radians = 0.47746483742036 revolutions | 8 radians = 1.2732395664543 revolutions |
| 4 radians = 0.63661978322714 revolutions | 9 radians = 1.4323945122611 revolutions |
| 5 radians = 0.79577472903393 revolutions | 10 radians = 1.5915494580679 revolutions |
A revolution is a unit of angle equal to 360°, defined as a complete turn around a circle. Plural name is revolutions.
| 1 revolutions = 6.2831852 radians | 6 revolutions = 37.6991112 radians |
| 2 revolutions = 12.5663704 radians | 7 revolutions = 43.9822964 radians |
| 3 revolutions = 18.8495556 radians | 8 revolutions = 50.2654816 radians |
| 4 revolutions = 25.1327408 radians | 9 revolutions = 56.5486668 radians |
| 5 revolutions = 31.415926 radians | 10 revolutions = 62.831852 radians |
| 1 radians = 0.1591549 revolutions |
| 1 revolutions = 6.2831852 radians |