Perimeter of a Quadrilateral Calculator

Your details

Choose whether you know the side lengths directly, or the corner coordinates.
Length of the first side.
cm
Length of the second side.
cm
Length of the third side.
cm
Length of the fourth side.
cm
Perimeter
26

Total distance around all four sides

Side a8
Side b5
Side c8
Side d5
Unitcm
Side a8
Side b5
Side c8
Side d5

Perimeter = 26.00 cm

  • The perimeter is 26.00 cm - the total length of fence, trim, or border needed to go around the shape.
  • Opposite sides are equal (a = c = 8.00 cm, b = d = 5.00 cm), which is the property of a parallelogram or rectangle.
  • Side a is the longest at 8.00 cm and accounts for 30.8% of the perimeter.

Next stepTo find the area, you will also need the height (for parallelograms and trapezoids) or diagonal lengths (for kites and rhombuses), as the perimeter alone does not determine the area of a general quadrilateral.

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