How to Make a Perfect Square in Construction | Calculator for Squares

Teorema de Pitágoras

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This calculator will help you to get the measurements you need for:

The square of a plot of land
The square of a room
The square of a house
The square of a floor
The square of a floor
The square of a roof

I invite you to watch a video to draw a perfect square on the ground. Learn how to square a terrain with this simple and effective method. Everything has its trick...

Taking a square is used a lot in construction, especially by masons, metal carpenters and metal structure assemblers. It is essential for them to know how to take a square in an easy, simple and error-free way.

This calculator will give you a totally reliable result to get a square on the construction site. It is based on the Pythagorean Theorem, the most accurate method to solve the sides of a right triangle as a 90 degree square.

Do not use decimal numbers. This calculator does not do the calculation on decimal numbers, however the result can be in decimals. When you work with whole numbers the results are more accurate.

Measurements to get a square

Using the calculator is fine and convenient, but one day we may have to find a square manually.

So, to get a square to measure we mark 80 cm on one side and 60 cm on the other. If the diagonal measurement between the two marks gives us 100cm, the piece or the floor is square. With this we will get a square of 1 meter diagonal.

This method is used to make a mason's or mason's square. It is a square made with welded metal profiles or wooden slats with nails. The profiles, which would be the sides, are 1 meter each. If you do the operation in the calculator, it gives you the diagonal 141 cm. With that measurement it would be a perfect square.

"Learn how to weld thin profiles". HERE👈

Tip: If you build it with metal profiles, be careful when welding it, as they tend to deform giving errors when you want to take the square out of the work.

How to build a square with the flexometer

Well, with a flexometer we can ✅ take a square at 90 degrees to stake out a plot of land. We only need some measurements and apply a formula. It is a matter of making a triangulation. Don't be scared, it's very simple. Here I explain it to you:

También podemos variar las medidas para adaptarnos a las piezas que vamos a escuadrar. Si es pequeña podemos usar 8cm y 6 cm dando como resultado 10 cm la diagonal. Si la pieza es mayor usaremos las medidas 160cm y 120cm, de esta forma vamos ha sacar una escuadra de 2 metros.

Using the 3-4-5 Method

In this case, the measurements to get the perfect square are longer, but easier to remember. On each side of the triangle we will put the measurements of 4 meters on one side and 3 meters on the other. As a result of the stakeout, the diagonal between both measures will be 5 meters.

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