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`P = "A" + "B" + "C" + "D" `

Enter a value for all fields

The **Perimeter of a Quadrilateral** calculator computes the semi-perimeter of a quadrilateral based on the length of the four sides.

**INSTRUCTIONS:** Choose units and enter the following:

- (
**A**) Length of side**A**. - (
**B**) Length of side**B**. - (
**C**) Length of side**C**. - (
**D**) Length of side**D**.

**Perimeter (p):** The calculator returns the semi-perimeter in meters. However, this can be automatically converted to compatible units via the pull-down menu.

- Area of a Quadrilateral from four sides and an angle
- Area of a Quadrilateral from four sides and the diagonal
- Quadrilateral Perimeter
- Quadrilateral Semi-Perimeter
- Quadrilateral Volume

The formula for the perimeter of a quadrilateral is:

`p = a+b+c+d`

where:

- p = quadrilateral perimeters
- a = length of side a
- b= length of side b
- c = length of side c
- d = length of side d