# Hydrostatic Pressure

## Relationship between depth and pressure

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

*p = h ρ g (1)*

*where *

*p = pressure (N/m ^{2}, Pa)*

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

*ρ = density of liquid (kg/m ^{3}) *

*g = the gravitational constant (9.81 m/s ^{2})*

Hydrostatic pressure in a water column (*density 1000 kg/m ^{3}*) - or depth - is indicated below:

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