It is the derived unit of plane angle and 1 radian = one full rotation/2π. Also, it is equal to 57.296°.
Chat with our AI personalities
1 radian = 1/tau or 1/(2*pi) of a whole turn.
The radian is 0.523598776
It is NOT a national unit but an international one.
1 degree = pi*radian/180 So therefore 15 times pi*radian/180 = pi*radian/12
A radian is an arc of the circumference of a circle and it is about 57.3 degrees.