Rectangle Calculator

Calculate the area and perimeter of a rectangle from its length and width.

GeometryFree · no sign-upStep-by-step answers

How to use this calculator

  1. 1Enter your values or expression in the fields above.
  2. 2Press Enter or click the calculate button.
  3. 3Read the result, then follow the numbered step-by-step working to understand each stage.

Worked Examples

Frequently Asked Questions

What is the formula for rectangle area?

Area = length × width.