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2. Mathematics
3. Geometry
4. Rectangle Perimeter

\(l\)

(length)

units

\(w\)

(width)

units

Perimeter

units

Copy

How to use Rectangle Perimeter Calculator

1. Enter ✎ value for length \((l)\).
2. Enter ✎ value for width \((w)\).
3. The result appears beneath the inputs as you enter values.

About this calculation

The perimeter of a rectangle is the total length of its four sides.

Formula

To calculate the rectangle perimeter, you can use the following formula.

Perimeter = \( 2( l + w )\)

where

Calculation

{
  "topic": "rectangle-perimeter",
  "img": {
    "width": 420,
    "height": 255
  },
  "input_types": [
    "float",
    "float"
  ],
  "input_labels": [
    "l",
    "w"
  ],
  "input_values": [
    "8",
    "5"
  ],
  "input_units": [
    "units",
    "units"
  ],
  "input_descriptions": [
    "length",
    "width"
  ],
  "examples": [
    {
      "l": 3,
      "w": 2
    },
    {
      "l": 80,
      "w": 10
    }
  ],
  "type": "Calculate",
  "title": "Rectangle Perimeter",
  "category": "Geometry",
  "shape": "Rectangle",
  "formula_mathjax": "\\( 2( l + w )\\)",
  "formula": "2*( l + w )",
  "op_label": "Perimeter",
  "output_unit": "units",
  "description": "The rectangle perimeter calculator calculates the perimeter of the a rectangle by taking its length and breadth as inputs.",
  "explanation": "The perimeter of a rectangle is the total length of its four sides."
}