NumberCals

Cube Volume Calculator

Calculate volume, surface area, and space diagonal of a cube.

About this calculator

The Cube Volume Calculator on NumberCals is a free, mobile-friendly tool for anyone needing to calculate volume, surface area, and space diagonal of a cube. Enter your values in the form below and the result is computed instantly — no sign-up, no installation, no waiting.

Formula used

V = s³; SA = 6s²; d = s√3

What you'll need

  • Side Length (e.g. 5)

What you'll get

  • Volume
  • Surface Area
  • Space Diagonal
Formula
V = s³; SA = 6s²; d = s√3

Frequently Asked Questions

What's space diagonal? +

The longest straight line you can draw inside a cube — corner to opposite corner through the centre.

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