Cube Calculator

Find cube dimensions, volume, surface area, and diagonals from any one valid measurement.

Last updated: June 2026 | By Patchworkr Team

Side Length

Value is required.

A cube has 6 equal square faces, 12 equal edges, and 8 vertices.

Live Results

Enter a valid value to see cube properties.

Formulas

Volume: V = a^3

Surface area: A = 6a^2

Space diagonal: d = a * sqrt(3)

Face diagonal: f = a * sqrt(2)

Example: side length 5

Volume: 5^3 = 125

Surface area: 6 x 5^2 = 150

Space diagonal: 5sqrt(3) ≈ 8.66025404

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