Geometry Calculators

Calculate area, volume and perimeter for 2D and 3D shapes. Pick a shape, enter the dimensions, and see the exact formula used.

Area Calculator

Area of circles, rectangles, triangles, trapezoids, ellipses and parallelograms.

Volume Calculator

Volume of cubes, boxes, cylinders, spheres and cones.

Perimeter Calculator

Perimeter of rectangles, triangles and squares, plus circle circumference.