Math Calculators, Lessons and Formulas

It is time to solve your math problem

mathportal.org

Square calculator

google play badge app store badge

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
Provide any element of a square, then choose a missing one.
help ↓↓ examples ↓↓
Solve for
Provide one element of a square.
a =
 
A =
P =
 
d =
R =
 
r =
thumb_up 95 thumb_down

Get Widget Code

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
ex 1:
Find the area of a square of diagonal d = 12 cm.
ex 2:
Find the side of the square whose perimeter is d = 14 cm.
ex 3:
Find the diagonal of the square whose area is A = 18 cm2.
Find more worked-out examples in our database of solved problems..
Search our database with more than 300 calculators
362 861 664 solved problems
×
ans:
syntax error
C
DEL
ANS
±
(
)
÷
×
7
8
9
4
5
6
+
1
2
3
=
0
.