FREE ONLINE CALCULATOR / GEOMETRY
Circle Sector Calculator
Calculate sector area and arc length in degrees. Fast, private, and built to make every number easier.
Input values
✦ InteractiveHow does this calculator work?
Calculate sector area and arc length in degrees. Edit the inputs and see the computed results. All calculations take place inside your browser, without submitting values to a server.
A = πr²θ/360; arc = 2πrθ/360
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