basic

Cube Surface Area Calculator

Surface area, volume, and diagonal of a cube.

Calculate the surface area, volume, and space diagonal of a cube from a single side length.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Surface = 6s², Volume = s³, Diagonal = s · √3.

In depth

Calculate the surface area, volume, and space diagonal of a cube from a single side length.