## About Arc Length Calculator

The Arc Length Calculator is used to help you find the length of a sector of a circle.

## FAQ

The following is the calculation formula for the arc length of a sector:

Where:

A = arc length of a sector

π = 3.141592654

r = radius of the circle

θ = central angle in degrees

Please input radius of the circle and the central angle in degrees, then click Calculate Area of Sector button.