Duct Size Calculator Excel Metric

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.

Duct size calculator excel metric. Read round duct diameter inches and friction loss per 100 of duct inches of water. Rectangular duct si units circular duct si units rectangular duct us units circular duct us units. Sheet metal duct friction loss calculator. Friction rate velocity friction rate.

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. Include fittings in the duct tel enter either. For the more duct formulas download this all hvac calculator excel sheet in this sheet you will find all calculations of central air conditioning. Convert rectangular duct to round equivalent.

This hvac duct sizing calculator is very simple and it calculates the duct friction loss value and air velocity inside the duct. To size the ducts you re going to need a duct sizing chart. Enter duct airflow cfm duct velocity fpm duct length and the number of bends. Not every application is a straight line of ductsox.

In wg duct tel. Maximum size of duct or pipe through steel joists k series joists and maximum size of ducts and pipes. To accommodate this we offer a variety of standard fittings. 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.

Ducts sizing velocity reduction method the velocity reduction method can be used for sizing air ducts. You can obtain these from ductwork manufacturers or from industry bodies such as cibse and ashrae. Duct velocity calculate velocities in circular and rectangular ducts imperial and si units online calculator. 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.

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. This duct size calculator from mcquay is the best software for design the air duct in hvac applications. Convert diameter to rectangular equivalent. These charts hold a lot of information.

If you don t have one you can find them in the following links.