Geometry Calculators

8 free, accurate calculators for geometry

All Geometry Calculators

Calculate area of circles, rectangles, triangles, and other shapes

Calculate volume of spheres, cylinders, cones, and other 3D shapes

Calculate sides of a right triangle using the Pythagorean theorem

Calculate radius, diameter, circumference, and area of a circle

Calculate angles, sides, area, and perimeter of any triangle

Calculate how many tiles you need to cover a floor or wall, including waste margin.

Estimate the volume and weight of gravel, crushed stone, or sand needed for your project.

Calculate the volume of concrete needed for slabs, footings, and columns.