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# Square calculator

This solver calculate missing side, diagonal, area, perimeter or radius of a square. The calculator provides a step-by-step explanation of how to find the missing elements.

Square calculator
input any value of a square and select value to find
help ↓↓ examples ↓↓
Solve for
provide one element of a square
calculator works with decimals, fractions and square roots (to input $\color{blue}{\sqrt{2}}$ type $\color{blue}{\text{r2}}$)
a =

A =
P =

d =
R =

r =
working...
Square formulas
 $$A = a^2$$ area
 $$P = 4a$$ perimeter
 $$d = a\sqrt{2}$$ diagonal
 $$R = \frac{a\sqrt{2}}{2}$$ circumcircle radius
 $$r = \frac{a}{2}$$ incircle radius
examples
example 1:ex 1:
Find the area of a square of diagonal $d = 12 cm$.
example 2:ex 2:
Find the side of the square whose perimeter is $d = 14 cm$.
example 3:ex 3:
Find the diagonal of the square whose area is $A = 18 cm^2$.
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