Trigonometry
Arc / Sector Calculator
Lets users solve and check arc / sector instantly with formula, steps and examples — no manual math.
Enter your details
°
0360
Your result
Arc length
10.472 units
Arc length = rθ = 10.472; sector area = ½r²θ = 52.360.
Sector area
52.3599 sq units
Chord length
10 units
About this calculator
For a circular sector with angle θ (radians): arc length = rθ, sector area = ½r²θ, chord = 2r·sin(θ/2). Angle entered in degrees is converted internally.
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