Cube Calculator
Find a cube’s volume, surface area and diagonal.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator takes a cube's edge length and computes its volume (edge³), surface area (6 × edge²), and space diagonal — the line running corner to corner through the interior — using edge × √3.
It's used for sizing anything cube-shaped in the real world: figuring out how much a cubic storage box, shipping crate, or tank can hold, how much material or wrapping covers its six faces, and whether an item will fit diagonally inside a cube-shaped space, which is often the limiting dimension when packing an oddly shaped object. It's also a standard geometry exercise for students learning 3D solids before moving on to more complex shapes.
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