Volume Calculator
Pick a solid, enter its dimensions, and get the volume with a labeled diagram and the exact steps.
Runs entirely on your device - nothing is ever uploaded.
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How to use the volume calculator
- Pick one of the eight solids from the shape cards.
- Enter its dimensions in matching units.
- Read the volume in cubic units, with the formula steps shown.
Which formula applies
Cube s³, box lwh, sphere 4/3πr³, cylinder πr²h, cone πr²h/3, square pyramid b²h/3, triangular prism (Heron base area × length), regular tetrahedron a³/(6√2). For the outside instead, flip to the surface area calculator.
Volume in the real world
Concrete orders, aquarium stocking, luggage limits, and recipe scaling all run on volume: multiply the calculator's result by the material's density and you have weight. Shipping charges dimensional weight from box volume, which is why a big light parcel costs like a small heavy one. Compute capacity here; when you need paint, wrapping, or surface coating instead, the surface area calculator takes the same eight shapes.