Duct Size Calculator Excel Metric

Duct velocity calculate velocities in circular and rectangular ducts imperial and si units online calculator.

Duct size calculator excel metric.

This hvac duct sizing calculator is very simple and it calculates the duct friction loss value and air velocity inside the duct. Ducts sizing velocity reduction method the velocity reduction method can be used for sizing air ducts. Not every application is a straight line of ductsox. Read round duct diameter inches and friction loss per 100 of duct inches of water.

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. 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. 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. Convert diameter to rectangular equivalent.

Duct sizing how to size ductwork. For the more duct formulas download this all hvac calculator excel sheet in this sheet you will find all calculations of central air conditioning. This duct size calculator from mcquay is the best software for design the air duct in hvac applications. Convert rectangular duct to round equivalent.

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. Include fittings in the duct tel enter either. In wg duct tel. If you don t have one you can find them in the following links.

You can obtain these from ductwork manufacturers or from industry bodies such as cibse and ashrae. These charts hold a lot of information. To accommodate this we offer a variety of standard fittings. Rectangular duct si units circular duct si units rectangular duct us units circular duct us units.

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. Maximum size of duct or pipe through steel joists k series joists and maximum size of ducts and pipes. Sheet metal duct friction loss calculator. Enter duct airflow cfm duct velocity fpm duct length and the number of bends.

To size the ducts you re going to need a duct sizing chart.