Friction loss calculator for sheet metal ducts.
Square to round duct calculator mm.
Cui devices air flow conversion calculator can be used to convert between common units for volume air flow and air velocity flowing past a point in a specified area of duct.
I want to calculate.
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.
Equivalent duct calculator round vs rectangular.
Friction loss calculator for flexible ducts.
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Rectangular to round conversion.
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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.
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A round shape results in lower pressure drops and less fan horsepower to move the air and consequently smaller equipment.
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.