Arc Length Calculator
Calculate arc length for circles and curves. Find sector area and central angle.
Arc Visualization
Arc & Sector Properties
5.235988
Arc Length
5
Chord Length
13.089969
Sector Area
Segment Area: 2.264652
Angle: 60° = 1.047198 rad

Formulas

Arc length: s = rθ
Sector area: A = ½r²θ
Chord: c = 2r sin(θ/2)

θ must be in radians for these formulas.

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