Maths & numbers
Cube calculator
Find a cube’s volume, surface area and space diagonal.
A clear answer. Here’s how.
For side a, volume = a³, total surface = 6a² and corner-to-corner space diagonal = a√3. All dimensions use a consistent linear unit.
See a worked example
Worked example
A fixed demonstration, separate from the values you enter above.
- Side length
- 4
Example result
- Volume
- 64
- Surface area
- 96
- Space diagonal
- 6.92820323028