Rectangular to round conversion.
Square to round duct calculator mm.
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Friction loss calculator for sheet metal ducts.
This calculator can be used to calculate the area in square feet when the height inches and width inches of rectangular duct is known.
This is a handy tool when deciding what size duct you want to use for your application.
Other hart cooley mobile tools.
Equivalent duct calculator round vs rectangular.
It is particularly handy to provide the area in square feet of round duct as well.
Convert round duct size to rectangular duct size for equivelant airflow.
To use the calculator enter your air velocity or volume air flow and duct area type select your units click calculate air flow and your converted velocity and volume.
I want to calculate.
Friction loss calculator for flexible ducts.
The equivalent diameter is the diameter of a circular duct or pipe that for equal flow gives the same pressure loss or resistance as an equivalent rectangular duct or pipe.
A round shape results in lower pressure drops and less fan horsepower to move the air and consequently smaller equipment.