Rectangular To Round Duct Transition Calculator

Remember to add if bending the lower scrape in or out upper diameter.

Rectangular to round duct transition calculator. This opened the door for the use of sheet metal for ducting. This can be found by multiplying the two adjacent sides of the rectangular duct. Round use a slightly smaller diameter for less crimping or to finish. Friction loss calculator for flexible ducts.

The rectangular dimensions and the air flow volume are adapted to the equal friction loss. Friction loss calculator for sheet metal ducts. Step 2 enter in the value for the diameter of the round. 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.

The table is based on the ducts friction loss formula. Square to round calculator. Transition elbow offset box wedge. With some careful planning this is something you can do yourself.

The table below can be used to compare equivalent diameters for rectangular and round circular ducts. Converting a rectangle to round sheet metal duct work is something that is common in hvac. Step 1 use a square or rectangle to round transition calculator. Other hart cooley mobile tools.

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.