Calculate liquid head pressure from liquid height, density, and gravity. This calculator estimates PSI, kPa, pascals, bar, atmospheres, feet of head, meters of head, and liquid column pressure.
Liquid head:
Enter the vertical liquid height above the point where pressure is being estimated.
Liquid density:
Select a common liquid or enter your own density. The same height creates different pressure depending on the liquid.
Pressure result:
The calculator uses liquid density, gravity, and head height to estimate pressure in multiple units.
A liquid head pressure calculator is useful for tanks, pumps, piping systems, fuel storage, oil systems, irrigation, plumbing, wells, process vessels, and fluid mechanics estimates.
Liquid head pressure is static pressure caused by the vertical height of liquid above a point.
The basic liquid head pressure formula is:
P = ρ × g × h
Liquid head pressure is the pressure created by the vertical height of liquid above a point. More liquid height creates more pressure.
Use P = ρ × g × h, where pressure equals liquid density times gravity times vertical liquid height.
No. Oil is usually less dense than water, so the same head height usually creates less pressure than water.
Fifty feet of fresh water head creates about 21.65 PSI of gauge pressure.