Convert Circle to Radian - Accurate Angle Conversion Calculator
Circle
Enter a value and select units to convert.
Switch rad to cir
Circle Unit Table
A list of units symbol and data.
From cirTo radAll conversion
1 cir6.283185307179586 rad
2 cir12.566370614359172 rad
3 cir18.84955592153876 rad
4 cir25.132741228718345 rad
5 cir31.41592653589793 rad
6 cir37.69911184307752 rad
7 cir43.982297150257104 rad
8 cir50.26548245743669 rad
9 cir56.548667764616276 rad
10 cir62.83185307179586 rad
Description

Circle (cir)

The circle as a unit represents a full 360-degree rotation, synonymous with a revolution or turn. While not a standard unit of angular measurement, it is sometimes used in specific contexts to denote complete rotations or cycles.

Radian (rad)

The radian is the SI unit for measuring angles, defined as the angle created when the arc length equals the radius of the circle. This unit is pivotal in mathematics and physics, particularly in trigonometry and calculus, due to its natural relationship with circular motion. One full revolution equals 2π radians, making it essential for calculations involving periodic functions and rotational dynamics.

Complete list of conversion for Circle
Circle (cir)

1 Circle = 6.283185307179586 Radian

Convert 2 cir → rad

1 Circle = 360 Degree

Convert 2 cir → °

1 Circle = 399.99999999999994 Gradian

Convert 2 cir → gon

1 Circle = 1 Turn

Convert 2 cir → turn

1 Circle = 21600 Arcminute

Convert 2 cir → ′

1 Circle = 1296000 Arcsecond

Convert 2 cir → ″

1 Circle = 6283.185307179586 Milliradian

Convert 2 cir → mrad

1 Circle = 6283185.307179587 Microradian

Convert 2 cir → μrad

1 Circle = 6400.000000000001 Mil (NATO)

Convert 2 cir → mil

1 Circle = 1 Revolution

Convert 2 cir → rev

1 Circle = 4 Right Angle

Convert 2 cir → RA

1 Circle = 4 Quadrant

Convert 2 cir → quad

1 Circle = 6 Sextant

Convert 2 cir → sext

1 Circle = 8 Octant

Convert 2 cir → oct

1 Circle = 1 Perigon

Convert 2 cir → perigon

1 Circle = 32 Compass Point (Nyoch)

Convert 2 cir → pt