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