Formula To Convert Rectangular Duct To Round Duct

An aspect ratio of 1 is round duct.

Formula to convert rectangular duct to round duct.

That will at least give the duct. 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. For rectangular ducts a width of duct side inches b height of other duct side inches equivalent round duct size for a rectangular duct equivalent round duct size for a rectangular duct can be expressed as deq 1 3 x a x b 0 625 a b 0 25 where deq equivalent diameter a one dimension of rectangular duct inches. The equivalent diameter of a 300 mm x 500 mm rectangular duct can be calculated as.

Https amzn to 39pgvjc 1 wireless refrigeration. This can be found by multiplying the two adjacent sides of the rectangular duct. Friction loss calculator for sheet metal ducts. The calculator below is based on formula 1.

The formula is generic and any unit can be used. This is a handy tool when deciding what size duct you want to use for your application. Convert round duct size to rectangular duct size for equivelant airflow. How to calculate duct sheet area duct quantity rectangle duct square duct round duct flat oval duct amazon.

Equivalent duct calculator round vs rectangular. Rectangular to equivalent circular duct calculator. Friction loss calculator for flexible ducts. Other hart cooley mobile tools.

When a designer sees rectangular duct on a drawing they should convert it to an equivalent round size if possible. Approaches the efficiency of round duct. D e 1 30 300 mm 500 mm 0 625 300 mm 500 mm 0 25 420 mm. Rectangular to round conversion de 1 30 ab 0 625 a b 0 250 a length of one side of rectangular duct inch b length of adjacent side of rectangular duct inch de circular equivalent of rectangular duct for equal friction and capacity inch source.