Geometry & Shape Calculators >

Square Calculator

Square properties.

How to use Square Calculator

  1. Input: Enter the side length, area, perimeter, or diagonal.
  2. Calculate: The tool solves for all other variables.

About Square Calculator

The Square Calculator computes all properties of a square from just one known value. Since all sides and angles (90°) are equal, defining one side defines the whole shape.

Calculate Area (s²), Perimeter (4s), and Diagonal (s√2) instantly.