The Length of a Circle's Arc calculator computes the length of a segment of the circumference, the defined by the circle's radius (r) and the angle swept from the center of the circle (Θ).
INSTRUCTIONS: Choose units and enter the following:
Arc Length (L) : The length of the arc is returned in meters. However, this can be automatically converted to many other length units via the pull-down menu.
The formula for the arch length is: