Square Duct To Round Duct Calculator

It is particularly handy to provide the area in square feet of round duct as well.

Square duct to round duct calculator.

Friction loss calculator for sheet metal ducts. Flexible duct round metal pipe 750 1200 14 16 design airflow 50 85 125 1500 2000 180 240 325 525. Add for right seam. The area will cover a two dimensional slice of the duct.

Add for left seam. Corona ca 92882 office phone. Wide x deep lower scrape. Read round duct diameter inches and friction loss per 100 of duct inches of water.

The table below can be used to compare equivalent diameters for rectangular and round circular ducts. Square to round calculator. Other hart cooley mobile tools. Equivalent duct calculator round vs rectangular.

This calculator can be used to calculate the area in square feet when the height inches and width inches of rectangular duct is known. I want to calculate. The table is based on the ducts friction loss formula. Round use a slightly smaller diameter for less crimping or to finish the top with an added round collar lower.

Multiply this number by 3 14 pi to get the area of the round duct in square inches for example 16 x 3 14 50 24 square inches. To then convert that to volume you multiply the resulting area by the length. Remember to add if bending the lower scrape in or out upper diameter. The equivalent diameter is the diameter of a circular duct or pipe that gives the same pressure loss as an equivalent rectangular duct or pipe.

Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart rectangular sheet metal duct 07 on most metal duct calculators. Convert round duct size to rectangular duct size for equivelant airflow. This is a handy tool when deciding what size duct you want to use for your application. Enter duct airflow cfm duct velocity fpm duct length and the number of bends.

Friction loss calculator for flexible ducts. The rectangular dimensions and the air flow volume are adapted to the equal friction loss. New duct sizing chart xls. Sheet metal duct friction loss calculator.

Duct areas in square feet can be calculated by using geometry rules for round areas. Step 5 select a size of square duct that has the same area. 951 271 3950 toll free.