Volume of 8 3D shapes with formula.. Volume Calculator is a free online tool from the ToolsRift Math Calculators collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
Select a 3D shape, enter its dimensions such as radius and height, and the volume is computed instantly with the formula shown.
Eight solids: cube, rectangular box, sphere, cylinder, cone, pyramid, prism and more, each with the correct volume formula.
Volume = π × r² × h, using the base radius and the height of the cylinder.
Any consistent unit — enter dimensions in the same unit and volume is returned in that unit cubed (e.g. cm³).