Skip to the tool

📐 Geometry Calculator

📐 Geometry Calculator

Calculate the area, perimeter, or volume of common shapes.

More in Mathematics

Geometry Calculator Calculate areas, perimeters, and volumes for common shapes. Choose a shape, enter dimensions, and get results with…
💎 Polyhedra 3D Lab — Platonic, Duals & Truncations Explore the five Platonic solids and their Archimedean cousins in shaded 3D. Morph any solid into its truncation…
🔷 Shoelace Polygon Area Calculator Click vertices onto a grid (or type coordinates) and get the exact area of any polygon — even weird L-shapes…
📐 Pythagoras Calculator Find the missing side of a right-angled triangle with the Pythagorean theorem — plus the area, perimeter and both acute…
🧊 3D Shape Volume & Surface Area Calculator Pick a solid, type its dimensions and watch it rebuild in 3D. Get the volume, total and lateral surface area, capacity…
🧭 3D Coordinate Converter — Cartesian, Cylindrical & Spherical Type a point in any system and the other two update instantly, with the point drawn in 3D and its radius and angles…
📐 3D Lines & Planes Calculator — Distance, Intersection & Angle Pick two objects — point, line or plane — and get the shortest distance, the intersection point or line, the angle…
➗ 3D Vector Calculator — Dot, Cross & Triple Product Visualised Enter up to three vectors and see them as glowing arrows in 3D. Instantly get the dot product, cross product, angle…

All 84 tools in Mathematics →