# Convert Radians to Circles

Enter your radian value in the form below to get the value calculated in circles.

**Results in Circles:**

## How to Convert Radians to Circles Using an Easy Conversion Formula

Convert radians to circles with this simple formula:

Converting a radian angle measurement to a circle measurement involves multiplying your angle by the conversion ratio to find the result. A radian is equal to 0.159155 circles, so to convert simply multiply by 0.159155.

**For example:**

Radians and circles are both units used to measure angle.
Learn more about angle and
find more angle measurement conversion calculators.
A radian is an angle measurement and can be abbreviated as *rad*, for example 1 rad.
A circle is an angle measurement and can be abbreviated as *cir*, for example 1 cir.

A radian is the measurement of the angle from the start to the end of an arc equal to the radius of the circle. 1 radian is equal to 180/π, or about 57.29578°. There are about 6.28318 radians in a circle. The radian is the standard SI unit of measurement for an angle.

A circle is the equivalent of 1 revolution around a circle, or 360°.

## Radian Measurements and Equivalent Circle Conversions

Radians | Circles |
---|---|

1 rad | 0.159155 cir |

2 rad | 0.31831 cir |

3 rad | 0.477465 cir |

4 rad | 0.63662 cir |

5 rad | 0.795775 cir |

6 rad | 0.95493 cir |

7 rad | 1.1141 cir |

8 rad | 1.2732 cir |

9 rad | 1.4324 cir |

10 rad | 1.5915 cir |

11 rad | 1.7507 cir |

12 rad | 1.9099 cir |

13 rad | 2.069 cir |

14 rad | 2.2282 cir |

15 rad | 2.3873 cir |

16 rad | 2.5465 cir |

17 rad | 2.7056 cir |

18 rad | 2.8648 cir |

19 rad | 3.0239 cir |

20 rad | 3.1831 cir |

21 rad | 3.3423 cir |

22 rad | 3.5014 cir |

23 rad | 3.6606 cir |

24 rad | 3.8197 cir |

25 rad | 3.9789 cir |

26 rad | 4.138 cir |

27 rad | 4.2972 cir |

28 rad | 4.4563 cir |

29 rad | 4.6155 cir |

30 rad | 4.7746 cir |

31 rad | 4.9338 cir |

32 rad | 5.093 cir |

33 rad | 5.2521 cir |

34 rad | 5.4113 cir |

35 rad | 5.5704 cir |

36 rad | 5.7296 cir |

37 rad | 5.8887 cir |

38 rad | 6.0479 cir |

39 rad | 6.207 cir |

40 rad | 6.3662 cir |

## More Angle Conversions

- Convert to Degrees Angle
- 1 rad is equal to 57.29578 degrees
- Convert to Grad Angle
- 1 rad is equal to 63.661977 grad
- Convert to Revolutions Angle
- 1 rad is equal to 0.159155 revolutions
- Convert to Mils Angle
- 1 rad is equal to 1,019 mils