Hydraulic Diameter of a Square Tube

Hydraulic diameter, abbreviated as \(d_h\), of a square tube is when the flow is within the tube.

 

Hydraulic Diameter of a Square Tube formula
\( d_h = w \)
Symbol	English	Metric
\( d_h \) = hydraulic diameter	\(in\)	\(mm\)
\( w \) = width of tube	\(in\)	\(mm\)