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    Geometry Calculators

    Formulas for the area, perimeter, volume and surface area of the standard shapes, each with where it comes from and worked examples.

    Geometry Formulas: Area, Volume, Perimeter

    The formula for every standard shape, where it comes from, and worked examples

    Last Results

    Volume of a Rectangular Prism FormulaArea of a Regular Polygon FormulaArea of a Rectangle FormulaDiameter of a Circle FormulaSurface Area of a Sphere FormulaSurface Area of a Cylinder FormulaArea of a Trapezoid FormulaVolume of a Pyramid FormulaPerimeter of a Triangle FormulaArea of a Rhombus FormulaPerimeter of a Semicircle FormulaPerimeter of a Square FormulaSurface Area of a Triangular Prism FormulaArea of a Parallelogram FormulaCircumference of a Circle FormulaVolume of a Triangular Prism FormulaArea of a Triangle FormulaVolume of a Sphere FormulaPerimeter of a Regular Polygon FormulaVolume of a Cube FormulaArea of a Square FormulaArea of a Circle FormulaSurface Area of a Rectangular Prism FormulaArea of a Circular Sector FormulaSurface Area of a Cone FormulaPerimeter of a Rectangle FormulaSurface Area of a Pyramid FormulaVolume of a Cylinder FormulaArea of a Hexagon FormulaVolume of a Cone FormulaSurface Area of a Cube Formula