📐 Geometry

Area of a Circle

Calculate the area of any circle instantly. Enter the radius or diameter and get the area plus circu

Circumference Calculator

Calculate the circumference of any circle from its radius or diameter. Also shows the area. Fast, fr

Pythagorean Theorem

Solve right triangles with the Pythagorean theorem. Find the hypotenuse or a missing side. Enter two

Triangle Area Calculator

Calculate the area of any triangle using base and height, three sides (Heron's formula), or two side

Sphere Volume Calculator

Calculate the volume and surface area of any sphere. Enter the radius or diameter for instant, accur

Cylinder Volume Calculator

Calculate the volume, surface area, and lateral area of any cylinder. Enter radius or diameter and h