circumference calculator

➤ calculate the perimeter of a square
➤ calculate the perimeter of a rectangle
➤ calculate the perimeter of a triangle
➤ calculate the perimeter of a parallelogram
➤ calculate the perimeter of a rhombus
➤ calculate the perimeter of the trapezoid
➤ calculate the perimeter of the ellipse
➤ calculate the perimeter of a polygon

calculate the perimeter of a square


circumference = 4 x length

enter a value:

length:

calculation result:

perimeter of square:

calculate the perimeter of a rectangle


perimeter = 2 (base) + 2 (height)

enter a value:

bottom:
high:

calculation result:

perimeter of rectangle:

calculate the perimeter of a triangle


perimeter = a + b + c

enter a value:

length(a):
length(b):
length(c):

calculation result:

perimeter of triangle:

calculate the perimeter of a parallelogram


perimeter = 2 (base) + 2 (height)

enter a value:

bottom:
high:

calculation result:

perimeter of parallelogram:

calculate the perimeter of a rhombus


circumference = 4 x length

enter a value:

length:

calculation result:

perimeter of rhombus:

calculate the perimeter of a trapezoid


perimeter = a + b + c + d

enter a value:

length(a):
length(b):
length(c):
length(d):

calculation result:

perimeter of trapezoid:

calculate the perimeter of an ellipse


perimeter = 2 x π x √(r12+r22) / 2

enter a value:

radius(r1):
radius(r2):

calculation result:

perimeter of ellipse:

calculate the perimeter of a polygon


perimeter = number of sides x length

enter a value:

number of sides:
length:

calculation result:

perimeter of polygon:
online perimeter calculator

the online perimeter calculator supports calculating the perimeter of circles, sectors, ovals, triangles, squares, rectangles, quadrilaterals and other shapes, and displays the perimeter calculation formulas and schematic diagrams of the corresponding shapes.

instructions for use
the online perimeter calculator calculates the perimeter of various shapes and displays the perimeter calculation formula for the corresponding shape.

shape: choose what shape to calculate the perimeter of. this tool supports calculating the perimeter of circles, sectors, ellipses, triangles, squares, rectangles, parallelograms, quadrilaterals, trapezoids and other shapes, and displays the calculation schematic diagram and formula for the perimeter of the corresponding shape.
after selecting the corresponding shape, please enter the corresponding parameters as required. click "calculate" to get the corresponding perimeter result. please enter the parameters correctly according to the parameter prompts.
the calculated perimeter has no specific unit, and the perimeter unit depends on the unit of the input parameter.

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