Triangle Perimeter Calculator

The triangle perimeter calculator calculates the perimeter of a triangle by taking its length of three sides as inputs.

(length of first side)


units

(length of second side)


units

(length of third side)


units

units
Triangle Perimeter

How to use Triangle Perimeter Calculator

  1. Enter ✎ value for length of first side \((a)\).
  2. Enter ✎ value for length of second side \((b)\).
  3. Enter ✎ value for length of third side \((c)\).
  4. The result appears beneath the inputs as you enter values.

About this calculation

The perimeter of a triangle is the total length of its three sides.

Formula

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

Perimeter = \( a + b + c \)

where

    Triangle Perimeter

    Calculation