How to use the Excel RADIANS function

The RADIANS function is a built-in function in Excel that is categorized as a Math/Trig Function. It can be used as a worksheet function (WS) in Excel. As a worksheet function, the RADIANS function can be entered as part of a formula in a cell of a worksheet.

Syntax: =RADIANS(angle)

The RADIANS function syntax has the following arguments:

  • Angle (Required): An angle in degrees that you want to convert.

Example: Let’s look at some Excel RADIANS function examples and explore how to use the RADIANS function as a worksheet function in Microsoft Excel:

Syntax:  =RADIANS(A2)


Based on the Excel spreadsheet above, the following RADIANS examples would return:

Syntax: =RADIANS(A3)
Result: 0.785398163

Syntax: =RADIANS(A4)
Result: 1.047197551

Syntax: =RADIANS(A5)
Result: 1.570796327

Syntax: =RADIANS(A6)
Result: 2.094395102

Syntax: =RADIANS(A7)
Result: 2.35619449

Syntax: =RADIANS(A8)
Result: 2.617993878

Syntax: =RADIANS(A9)
Result: 3.141592654

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