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Geometry Calculator
Calculate area, perimeter, volume and more for various geometric shapes
Select Shape
Circle Parameters
Example
Ready to Calculate
Select a shape, enter parameters, then click the calculate button.
Formula Reference
2D Shapes:
- • Circle Area: π × r²
- • Circle Circumference: 2 × π × r
- • Rectangle Area: length × width
- • Triangle Area: Heron's formula
3D Shapes:
- • Sphere Volume: (4/3) × π × r³
- • Sphere Surface Area: 4 × π × r²
- • Cube Volume: side³
- • Cube Surface Area: 6 × side²