Area of a Rectangle

Output: Press calculate

Formula:A = length × width

Introduction to Area of a Rectangle Calculator

The area of a rectangle is calculated by multiplying its length by its width. In this formula, A represents the area of the rectangle, length is the measurement of one of the longer sides of the rectangle, and width is the measurement of one of the shorter sides. The result is expressed in square units, based on the units used for length and width (e.g., square meters, square feet).

Parameter usage:

Example valid values:


Data validation

The numbers should be greater than zero.


This calculator takes into account the width and height of a rectangle and outputs its area. It is not specific to a particular unit of measurement.

Tags: Geometry, Rectangle, Area