The Mechanical Engineering Handbook
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Perimeter

Calculator








 


 


 


 


 


 


 


Perimeter Equations


Rectangle: $$ P = 2(a + b) $$
Rectangle Perimeter

Square: $$ P = 4a $$
Square Perimeter

Triangle: $$ P = a + b + c $$
Triangle Perimeter

Parallelogram: $$ P = 2 (a + b) $$
Parallelogram Perimeter

Rhombus: $$ P = 4a $$
Rhombus Perimeter

Trapezium: $$ P = a + b + c + d $$
Trapezium Perimeter

Circle: $$ P = 2 \pi r $$
Circle Perimeter