Duct Size Calculator Excel Metric

Sheet metal duct friction loss calculator.

Duct size calculator excel metric.

This calculation program on excel makes it possible to dimension and carry out the calculation of the pressure losses on the ductworks and air distribution systems. To size the ducts you re going to need a duct sizing chart. Aeroduct can be distributed with calculation in english system e g ounces pounds inches and feet and common units in the metric system e g grams kilograms meters and. Read round duct diameter inches and friction loss per 100 of duct inches of water.

Convert diameter to rectangular equivalent. For the more duct formulas download this all hvac calculator excel sheet in this sheet you will find all calculations of central air conditioning. Duct sizing how to size ductwork. 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 duct size duct height net inside dimension in inches round duct size estimate.

In wg duct tel. Maximum size of duct or pipe through steel joists k series joists and maximum size of ducts and pipes. Duct velocity calculate velocities in circular and rectangular ducts imperial and si units online calculator. This hvac duct sizing calculator is very simple and it calculates the duct friction loss value and air velocity inside the duct.

If you don t have one you can find them in the following links. Enter an internal duct size this must be limited to a maximum aspect ratio of 5 1 for the results to be valid the resulting vel ocity and pressure drop per unit length are displayed in the blue box. Not every application is a straight line of ductsox. Include fittings in the duct tel enter either.

Convert rectangular duct to round equivalent. Link 1 and link 2. These charts hold a lot of information. With the entire ductsox system acting as a diffuser air dispersion and distribution is combined allowing simple and efficient layouts that typically cost 20 80 less and outperform comparable metal duct systems.

You can obtain these from ductwork manufacturers or from industry bodies such as cibse and ashrae. There are also many of duct sizing software on our website such as ductulator and also the duct size chart will help you determine duct size easily according to ashrae standard. Friction rate velocity friction rate. To accommodate this we offer a variety of standard fittings.

Enter duct airflow cfm duct velocity fpm duct length and the number of bends.