Area of a Rectangle Calculator

Last updated: 10 Nov 2025 | Author: Brij | Review By: Irshad

Share on :

Use our Area of a Rectangle Calculator to quickly find the area using length and width. Includes formula, and example calculation for easy learning.

Length:

Width:

Rectangle Calculation Results

Area of Rectangle:

sq ft

Perimeter of Rectangle:

Finding the area of a rectangle is one of the most basic and useful calculations in mathematics, construction, carpentry, flooring, landscaping, and many design fields. The Area of a Rectangle Calculator helps you quickly find the area by simply entering the length and width. This tool saves time and ensures accurate results for both small and large-scale measurements.

Area of a Rectangle Formula

The formula to calculate the area of a rectangle is:

Formula

$\text{Area} = \text{Length} \times \text{Width}$

Perimeter of a Rectangle Formula (Optional but Useful)

Sometimes you may also need the perimeter for fencing, borders, or frame calculations.

Formula

$\text{Perimeter} = 2 \times (\text{Length} + \text{Width})$

Example Calculation

Example:

Find the area of a rectangle where:

Length = 12 meters
Width = 8 meters

Step 1: Substitute values into the formula

$\text{Area} = 12 \times 8$

Step 2: Multiply

$\text{Area} = 96\ \text{m}^2$

Check out 34 Similar Calculators:

Help Improve This Calculator

Your suggestions help us make better tools for everyone.