Calculate the Perimeter of a Triangle
This will calculate the perimeter of a triangle based on the length of its sides.
Triangle Perimeter - 3′ x 4′ x 5′
12 | feet |
144 | inches |
12′ 0″ | feet and inches |
3.6576 | meters |
365.76 | centimeters |
(results may be rounded)
Perimeter of a Triangle Formula
Calculating the perimeter of a triangle is easy. Just add up the length of its 3 sides.
Perimeter = SideA + SideB + SideC
Browse by Side Length in Feet
Browse by Side Length in Inches
Browse by Side Length in Centimeters
Browse by Side Length in Meters