geometry
10 tools available
Available Tools
Area Calculator
Free area calculator. Calculate area of squares, rectangles, circles, triangles, and shapes.
Perimeter Calculator
Calculate perimeter and circumference of rectangles, squares, triangles, circles, polygons, and more. Free online perimeter calculator.
Volume Calculator
Free volume calculator. Calculate volume of cubes, cylinders, spheres, cones, pyramids.
Pythagorean Theorem Calculator
Calculate hypotenuse or legs of a right triangle using the Pythagorean theorem. Find Pythagorean triples. Free online calculator.
Triangle Calculator
Calculate all triangle properties: sides, angles, area, perimeter, heights. Solve using SSS, SAS, ASA, or AAS. Free online triangle calculator.
Circle Calculator
Calculate circle properties: radius, diameter, circumference, area, arc length, sector area, and chord length. Free online circle calculator.
Rectangle Calculator
Free rectangle calculator. Find area, perimeter, diagonal, and dimensions from length/width or area/perimeter. Instant results with formulas.
Sphere Calculator
Free sphere calculator. Calculate volume, surface area, radius, diameter from any known value. Instant results with formulas and diagrams.
Cylinder Calculator
Free cylinder calculator. Calculate volume, total surface area, lateral area, and base area from radius and height. Includes formulas and diagram.
Cone Calculator
Free cone calculator. Calculate volume, surface area, slant height from radius and height. Includes all formulas and visual diagram.