What is the pressure difference psi if a room temperature ma

What is the pressure difference (psi) if a room temperature manometer reads 50 cm height of water?

Solution

Height of water ,h=50 cm =0.5 m

Density of water, p=1000 kg/m^3

acceleartion due to gravity,g=9.81 m/s^2

S pressure difference in SI units, P=pgh=4905 Pa

1 pascal = 0.000145037738 psi

So converting gives

P~0.711 psi