Cube Calculator
Enter any single value — side length, volume, surface area, face diagonal or space diagonal — and the calculator derives the remaining cube properties with full precision and step-by-step working.
Enter a value
Enter a value and press Calculate.
Cube formulas
Face area: A_face = s²
Surface area: A = 6s²
Volume: V = s³
Face diagonal: f = s·√2
Space diagonal: d = s·√3
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Frequently asked questions
A face diagonal is the line from one corner of a face to the opposite corner of the same face — length s√2. A space diagonal goes from one corner of the cube through the interior to the opposite corner — length s√3.