Math Calculators, Lessons and Formulas

It is time to solve your math problem

mathportal.org

# Cube calculator

Enter one known values of a cube and select what to find. The calculator gives a step-by-step solution on how to find the missing value of a cube.

Cube Calculator
input one value of a cube and select what you want to find
show help ↓↓ examples ↓↓
I want to find
Input value in on of text boxes
calculator works with decimals, fractions and square roots (to input $\color{blue}{\sqrt{2}}$ type $\color{blue}{\text{r2}}$)
side
$a$ =

face diagonal
$f$ =
body diagonal
$d$ =

volume
$V$ =
surface area
$A$ =

face area
$FA$ =
working...
Cube formulas
 $$V = a^3$$ volume
 $$A = 6a^2$$ surface area
 $$A_F = a^2$$ face area
 $$d = a \sqrt{3}$$ diagonal
 $$f = \frac{a}{2}$$ face diagonal
examples
example 1:ex 1:
Find the surface area of a cube with side 8cm.
example 2:ex 2:
If the surface area of a cube is 144 cm2, find its volume.
example 3:ex 3:
If the body diagonal is 4cm, calculate the surface area of a cube.
Search our database of more than 200 calculators