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    Circle Calculator

    Calculate circle area, circumference, diameter, arc length, and sector area

    Circle Calculator

    Calculate circle area, circumference, diameter, arc length, and sector area given radius and central angle.

    Area (A)
    78.5398
    Circumference (C)
    31.4159
    Diameter (d)
    10.0000
    Arc Length (60°):5.2360
    Sector Area (60°):13.0900

    About Circle Calculator

    Calculate circle area A = πr², circumference C = 2πr, diameter d = 2r, arc length, and sector area for a given radius and central angle.

    How to Use Circle Calculator

    1. 1Enter radius (r) and central angle (θ).
    2. 2View area, circumference, diameter, arc length, and sector area.
    3. 3Copy circle calculations.

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