Math

Circle Calculator

Given a radius, diameter, circumference or area, solve for all other properties of a circle.

Inputs

Known value

Value

Result

Radius

Diameter10

Circumference31.4159

Area78.5398

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Solve A:B = C:? proportions.

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Area of rectangles, triangles, circles & trapezoids.

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Volume of boxes, cylinders, spheres and cones.