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Cube calculator

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This calculator finds the unknown element of a cube given a single known dimension. The calculator can compute side, body and face diagonals, volume and area. Additionally, the calculator will generate a step-by-step solution on how to solve the problem.

Cube calculator
Provide any element of a cube, then choose the missing one.
help ↓↓ examples ↓↓
Solve for
cube
Input one element of a cube.
a =
 
f =
d =
 
V =
A =
 
FA =
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Cube formulas
Cube drawing with sides, body diagonal, face diagonal and surface.
$$ V = a^3 $$
volume
$$ A = 6a^2 $$
surface area
$$ A_F = a^2 $$
face area
$$ d = a \sqrt{3} $$
diagonal
$$ f = \frac{a}{2} $$
face diagonal
Examples
ex 1:
Find the surface area of a cube with side 8cm.
ex 2:
If the surface area of a cube is 144 cm2, find its volume.
ex 3:
If the body diagonal is 4cm, calculate the surface area of a cube.
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