Area and Perimeter > Square

# Area and Perimeter: Square

This online calculator is a free online tool to help you in calculate area and perimeter of Square.

## Formula

- P – perimeter
- A – area

- a – edges
- d – diagonals

You may need: Area and Perimeter of Rectangle

## Square

Square is a plane figure with four equal straight sides and four right angles. The edge/sides of square are in the same length and as well as the diagonal from one point to other point. Square is one of the most basic shape in mathematics.

## The standard formula to count the Area of Square

A= a.a or a2

A = area

a = side of the square

## The standard formula to count the Perimeter of Square

P= 4a

P = perimeter

a = side of the square

## The Instruction to use the Calculator Online to calculate the Area and Perimeter of Square

1. First, input 1 value of the edges/diagonal in the square (The a column)

2. Next, you can choose what decimal places you need. It can 1 or 2 or whatever you want.

3. And then, click “Calculate Button” and the answer (Perimeter and Area) will automatically appear.

4. To count another number, just repeat the first step.

## Example of the usage of calculator online to count the Area and Perimeter of Square

1. First, enter “5” in the column “a / edges” of the Square.

2. Then click enter or “Calculate” button.

3. You will find the answer right there on the Area A column and Perimeter P column. The area is **25.00** and the Perimeter is **20.00**.