July 29, 2026

Included 2D shapes

  • Circle
  • Square
  • Rectangle
  • Triangle
  • Parallelogram
  • Trapezoid
  • Ellipse
  • Regular polygon

Included 3D solids

  • Cube
  • Rectangular prism
  • Sphere
  • Cylinder
  • Cone

Geometry Calculator

Calculate area, perimeter, surface area, and volume with clear steps.

INPUTS

Circle

A = πr²
RESULT

Ready to calculate

Choose a shape, enter dimensions, and press Calculate.

Tip: Enter positive numbers only. Area is shown in square units and volume in cubic units.

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