Arc Length Calculator
Calculate arc length, sector area, and chord length given radius and central angle.
Input Values
Arc Length Formula
s = r x theta = 10 x 0.7854
Visual Representation
Arc Length
7.8540
12.50% of circumference
Arc Length
7.8540
Chord Length
7.6537
Sector Area
39.2699
Circumference
62.8319
Angle Conversion
Degrees
45.00
Radians
0.7854
Arc Length Formulas
Arc Length
s = r x theta
theta in radians
Sector Area
A = (1/2) x r^2 x theta
Chord Length
c = 2r x sin(theta/2)