Perimeter Calculator – Square, Circle, Ellipse, Parallelogram & More

Easily calculate the perimeter of any geometric shape using this advanced perimeter calculator. Useful and handy tool to calculate the perimeter of land.

The term perimeter is derived from the Greek terms “Perry” and “Metron.” Perry means ‘around,’ and Metron means’measure,’ therefore the perimeter of a closed plane figure is the entire distance of all its sides. As a result, it is calculated by summing the lengths of all the sides of a closed plane figure.

Perimeter Calculator Use :

Steps to use this calculator are mentioned below:

  • This online perimeter calculator is quite simple to use.
  • To calculate the perimeter of a shape, first choose the shape you wish to calculate the perimeter of.
  • The calculator will display the perimeter calculator of the specified form based on your selection.
  • To compute the perimeter of each shape, multiple formulas are used.
  • Simply fill in the fields and choose the unit in which you wish to input the dimensions. You have complete freedom in terms of selecting the unit of the dimension.
  • The perimeter of the shape will be displayed once the fields have been filled in.  You can select any unit of perimeter in which you want to get the results.
  • We have designed this advanced perimeter calculator to display the result in a variety of units, including millimetres, centimetres, feet, inches, metres and yards.

Also Try : Square Footage Calculator – Calculate Square Feet of Your House
Also Try : Area Calculator – Square, Circle, Ellipse, Parallelogram & More

How to Measure the Dimensions of the Different Shapes

The dimensions of your area are the most important thing you’ll need to calculate the perimeter of your desired shape. If you know them, that’s fine, but if you don’t, you’ll have to measure them manually. The various shapes of land/ object and the dimensions that must be measured for each shape are shown below.

square perimeter calculator

Square

If you want to measure the perimeter of square shaped land or object, you have to measure only single side of the land/ object as shown in the fig.

The square’s sides are all the same length. As a result, measuring just one side can save you time.

What’s the formula to find the perimeter of square?

square perimeter formula
rectangular shape area calculation

Rectangle

In case of rectangle shape, the length and width of the shape has to be measured in order to calculate the perimeter of the shape.

Generally, it doesn’t matter which side of the shape you consider for the width or the length. You can get the answer by either way.

What’s the formula to find the perimeter of rectangle?

rectangle perimeter formula
rectangle perimeter calculator

Circle

Finding the perimeter/ circumference of the circle is very simple process. You just have to measure the radius of the circle.

Radius of the circle is nothing but the distance between the centre of the circle to its circumference.

What’s the formula to find the circumference/ perimeter of circle?

circle circumference formula
triangle shape perimeter

Triangle

To measure the perimeter of the triangle you have to find the length of all the 3 sides of the triangle. You can understand the concept from the fig.

What’s the formula to find the perimeter of triangle?

triangle perimeter formula
trapezoid shape perimeter calculation

Trapezoid

To measure the perimeter of the trapezoid you have to measure both the bases and both sides as shown in the fig.

You can use this formula to manually calculate the perimeter of trapezoid shaped object or land.

What’s the formula to find the perimeter of trapezoid?

trapezoid perimeter formula
ellipse shape area calculation

Ellipse

In order to calculate the area of ellipse, semi-major and semi-minor axes has to be known.

The semi-major and semi-minor axes of an ellipse are radii of the ellipse (lines from the center to the ellipse). In simple terms, semi-major axes is the longest radius and semi-minor is the shortest radius of the ellipse.

What’s the formula to find the perimeter of ellipse?

ellipse perimeter formula
Note: a = semi-minor axes & b = semi-major axes
parallelogram shape perimeter

Parallelogram

The opposites sides of parallelogram are equal and parallel. Hence you just need to measure one of the base and side to calculate the perimeter of parallelogram.

Geometric shapes such as rectangle, rhombus and square are the types of parallelogram.

What’s the formula to find the perimeter of parallelogram?

parallelogram perimeter formula

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