Geometry Calculators

Shapes, Areas & Volumes

10 calculators

Available Tools

Free area calculator. Calculate area of squares, rectangles, circles, triangles, and shapes.

Calculate perimeter and circumference of rectangles, squares, triangles, circles, polygons, and more. Free online perimeter calculator.

Free volume calculator. Calculate volume of cubes, cylinders, spheres, cones, pyramids.

Calculate hypotenuse or legs of a right triangle using the Pythagorean theorem. Find Pythagorean triples. Free online calculator.

Calculate all triangle properties: sides, angles, area, perimeter, heights. Solve using SSS, SAS, ASA, or AAS. Free online triangle calculator.

Calculate circle properties: radius, diameter, circumference, area, arc length, sector area, and chord length. Free online circle calculator.

Free rectangle calculator. Find area, perimeter, diagonal, and dimensions from length/width or area/perimeter. Instant results with formulas.

Free sphere calculator. Calculate volume, surface area, radius, diameter from any known value. Instant results with formulas and diagrams.

Free cylinder calculator. Calculate volume, total surface area, lateral area, and base area from radius and height. Includes formulas and diagram.

Free cone calculator. Calculate volume, surface area, slant height from radius and height. Includes all formulas and visual diagram.