Absolute Pressure
A pressure at absolute zero can only exist in a total vacuum and any pressure above this is called absolute pressure. Absolute pressure, abbreviated as \(p_a\), is the amount by which the measured pressure exceeds a perfect vacuum. It is specified as psia. Absolute pressure is equal to 0 psia or 14.7 psig.
absolute pressure calculator
absolute pressure formulas
Where:\(\large{ p_a }\) = absolute pressure \(\large{ p_g }\) = gauge pressure \(\large{ p_{atm} }\) = atmospheric pressure \(\large{ p_v }\) = vacuum pressure Solve for:

Tags: Equations for Pressure