š Rectangle Calculator
Calculate rectangle area and perimeter
Enter any 2 values to calculate the rest
How Rectangle Calculation Works
- 1Enter the length and width of the rectangle.
- 2Area = length Ć width, Perimeter = 2(length + width), Diagonal = ā(lĀ² + wĀ²).
- 3All results are displayed with a diagram.
About Rectangle Calculator
Calculate area, perimeter, and diagonal of a rectangle. Enter any two dimensions and get all properties instantly.
Frequently Asked Questions
What if I only know the area and one side?
Enter the area and one side ā the calculator solves for the missing dimension.
Does it work for squares?
Yes. A square is a rectangle with equal sides ā enter the same value for length and width.