Perimeter Calculators

➔ Calculate Perimeter Of a Square
➔ Calculate Perimeter Of a Rectangle
➔ Calculate Perimeter Of a Triangle
➔ Calculate Perimeter Of a Parallelogram
➔ Calculate Perimeter Of a Rhombus
➔ Calculate Perimeter Of a Trapezium
➔ Calculate Perimeter Of a Ellipse
➔ Calculate Perimeter Of a Polygon

Calculate Perimeter Of a Square


Perimeter = 4 x Length

Length:
Area of a Triangle:

Calculate Perimeter Of a Rectangle


Perimeter = 2 ( Base ) + 2 ( Height )

Base:
Height:
Calculate Perimeter Of a Rectangle:

Calculate Perimeter of a Triangle


Perimeter = a + b + c

Length (a):
Length (b):
Length (c):
Perimeter of a Triangle:

Calculate Perimeter Of a Parallelogram


Perimeter = 2 ( Base ) + 2 ( Height )

Base:
Height:
Perimeter Of a Parallelogram:

Calculate Perimeter Of a Rhombus


Perimeter = 4 x Length

Length:
Perimeter Of a Rhombus:

Calculate Perimeter Of a Trapezium


Perimeter = a + b + c + d

Length (a):
Length (b):
Length (c):
Length (d):
Perimeter Of a Trapezium:

Calculate Perimeter Of a Ellipse


Perimeter = 2 x π x √(r12+r22) / 2

Radius (r1):
Radius (r2):
Perimeter Of a Ellipse:

Calculate Perimeter of Polygon


Perimeter = Number Of Sides x Length

Number Of Sides:
Length:
Perimeter of Polygon:

A Perimeter Calculator is a tool (either digital, like an online calculator or app, or a simple formula-based approach) used to quickly determine the perimeter of a shape.

  • What is it?
    It calculates the total length around a two-dimensional shape, like a square, rectangle, triangle, circle, or more complex polygons.

  • Why use it?
    It saves time and effort, especially when dealing with complex shapes or when precise measurements are needed. It’s also helpful in fields like construction, design, landscaping, and education.

  • How does it work?
    You input the necessary measurements (like the length of sides or radius), and the calculator applies the relevant formula. For example:

    • Square:
    • Rectangle:
    • Circle: (circumference)

  • When do you use it?
    When you need to measure boundary lengths for fencing, framing, creating borders, or any project where knowing the total edge length is important.