Ventilation Duct Stack Pressure Calculator Units
Blocks shown as light blue are editable
stack pressure at reference height pr = in - H2O
air density ρ = lbm/ft3
gravitational acceleration g = ft/s2
height above reference plane H = ft
Calculated Results
Eq 1 stack pressure ps = lb/ft2·h
     
Pressure Conversion Units
Convert from: psi
Convert to: in - H2O