The conversion between Degrees and Radians is calculated by the relationship
where π is the mathematicial constant, PI = 3.14159265358979...For further information on the units of measurement for angles, see the Wikipedia 'Angle' page.
The Excel Radians function converts radians into degrees.
The syntax of the function is:
where the angle argument is the angle, in degrees, that is to be converted into radians.
The spreadsheets below show four examples of the Excel Radians function.
Note that in the above example spreadsheet, 180 degrees converts to π radians and 360 degrees converts to 2π radians.
Further details of the Excel Radians function are provided on the Microsoft Office website.