Step 6 select an adapter that will convert between the round and the square duct sizes from your local building supply center.
Square to round duct transition calculator.
With some careful planning this is something you can do yourself.
For example our original 8 inch round duct should be mated to the 10 inch by 5 inch rectangular duct.
The table below can be used to compare equivalent diameters for rectangular and round circular ducts.
I want to calculate.
Square to round calculator.
Step 1 use a square or rectangle to round transition calculator.
The table is based on the ducts friction loss formula.
Equivalent duct calculator round vs rectangular.
Friction loss calculator for flexible ducts.
Converting a rectangle to round sheet metal duct work is something that is common in hvac.
Corona ca 92882 office phone.
This opened the door for the use of sheet metal for ducting.
The rectangular dimensions and the air flow volume are adapted to the equal friction loss.
Friction loss calculator for sheet metal ducts.
Transition elbow offset box wedge.
Round use a slightly smaller diameter for less crimping or to finish.
Remember to add if bending the lower scrape in or out upper diameter.
For example if you found a duct that measured 10 inches by 5 inches its area would also be 50 square inches.
Other hart cooley mobile tools.