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Cube Volume Calculator
Find the volume, surface area, and diagonal of a cube.
The simplest solid
A cube is defined by a single side length, from which its volume, surface area, and internal diagonal all follow. This calculator reports each.
A cube with a side of 4 has a volume of 64, a surface area of 96, and a space diagonal of about 6.93. Change the side to see all three update.
Simple and private
The calculation runs in your browser, so nothing you enter is uploaded.
Frequently Asked Questions
What is the formula?
Volume is the side length cubed; surface area is six times the side squared.
What is the diagonal?
The space diagonal through the cube, the side length times the square root of three.
What units?
Any consistent unit; volume in cubic units, area in square units.
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