Rectangle Perimeter Calculator

Calculate the perimeter of a rectangle with ease.

Calculator

Enter Rectangle Dimensions

Table of Contents

1 What is Perimeter?
2 Perimeter Formula
3 How to Calculate Perimeter
4 Practical Examples
Concept

What is Perimeter?

The perimeter of a rectangle is the total distance around the rectangle. It's the sum of all four sides of the rectangle, measured in linear units such as meters, centimeters, inches, or feet.

Formula

Perimeter Formula

Rectangle

P = 2(l + w)

where l is the length and w is the width

Steps

How to Calculate Perimeter

  1. 1
    Measure the length and width of the rectangle
  2. 2
    Add the length and width together
  3. 3
    Multiply the sum by 2
  4. 4
    The result is the perimeter of the rectangle
Examples

Practical Examples

Example

A rectangle has a length of 5 units and a width of 3 units.

P = 2(l + w)

P = 2(5 + 3)

P = 2(8)

P = 16 units

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