Rectangle Perimeter Calculator
Enter the length and width to find the total perimeter of a rectangle. Great for planning fences, picture frames, and border materials.
Perimeter
Enter values to calculate
How to Use the Rectangle Perimeter Calculator
1
Enter the length of the rectangle.
2
Enter the width of the rectangle.
3
Get the total perimeter instantly.
Frequently Asked Questions
What is the perimeter formula for a rectangle?
Perimeter = 2 × (length + width). It gives the total distance around the rectangle.
How is perimeter different from area?
Perimeter is the total distance around the shape (linear), while area is the space inside (squared).
Can I use this for irregular shapes?
This tool is for rectangles only. For irregular shapes, add up each side length individually.