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  • where is an angle in degrees.

RADIANS() converts the angle in degrees to angle in radians.


  • One radian is the angle subtended at the center of a circle by an arc that is equal in length to the radius of the circle.
  • The radian is represented by symbol rad.
  • Formula for converting from degrees to radians is :

Angle in radians = angle in degrees x Failed to parse (syntax error): {\displaystyle \frac{\pi}{180 °}}

  • If argument is non-numeric, Calci returns a NaN error.
  • RADIANS() can be used for array of angles e.g. 0 to 90 degress in steps of 15 degrees as -


ANGLE(in degrees) RADIANS
0 0
15 0.2617993877991494
30 0.5235987755982988
45 0.7853981633974483
60 1.0471975511965976
75 1.3089969389957472
90 1.5707963267948966


Function Output
RADIANS(180) 3.141592653589793
RADIANS(90) 1.5707963267948966
RADIANS(360) 6.283185307179586
RADIANS(-90) -1.5707963267948966

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