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Excel RADIANS Function

Excel RADIANS function
Summary 

The Excel RADIANS function converts degrees to radians. For example, =RADIANS(180) returns 3.1415 (the value of Pi).

Purpose 
Converts degrees into radians
Return value 
Radians
Syntax 
=RADIANS (angle)
Arguments 
  • angle - Angle in degrees to convert to radians.
Usage notes 

The RADIANS function takes an angle in degrees and converts it to radians. Radians measure angles using the radius of a circle. A radian is equal to the amount of rotation required to travel one radius along the circumference of the circle, as seen in the image below:

Radians are a unit of measure for circles

To convert radians to degrees, see the DEGREES function.

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