Hydrostatic Pressure

Relationship between depth and pressure

Hydrostatic pressure in a liquid can determined using the following equation:

p = h ρ g    (1)


p = pressure (N/m2, Pa)

h = height of fluid column, or depth in the fluid at which the pressure is measured (m)

ρ = density of liquid (kg/m3)

g = the gravitational constant (9.81 m/s2)

Hydrostatic pressure in a water column (density 1000 kg/m3) - or depth - is indicated below:

hydrostatic pressure water kPa Pa bar psi meter feet

Related Topics

  • Fluid Mechanics - The study of fluids - liquids and gases. Involves various properties of the fluid, such as velocity, pressure, density and temperature, as functions of space and time.

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