Convert radians to millimeters

Angle, radians =
Radius of a circle, mm =
Arc length, mm =


Convert millimeters to radians


Radius of a circle, mm =
Arc length, mm =
Angle, radians =



With this online calculator, you can convert radians to millimeters (radians to mm) and vice versa.

Formulas:

L = R * a

L - arc length [millimeters];
R - radius of a circle [millimeters];
a - angle [radians].

A circle is the set of all points in a plane that are at a given distance from a centre.