The formula for conversion of degree to radian is as follows:

Radian = degree × π / 180

What is degree?

Degree, also known as arc degree, is a measurement of plane angle where one full rotation is 360 degrees. Degree is notated with ° sign.

What is radian?

Radian is a unite of angle in the International System of Units, it is denoted by the symbol rad. When arc length is equal to radius then the central angle is 1 rad. Also 1 rad = 180 / π.