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sciencing.com/calculate-elevated-water-storage-tanks-5858171.html

To calculate the pressure at the bottom of your elevated water storage tanks in pounds per square inch is important in many applications, but easy enough to do. You can work this out with a simple rule: 1 foot of water creates 0.433 psi of pressure, and it takes 2.31 feet of water to create 1 psi of pressure.

www.hunker.com/12300950/how-to-calculate-water-head-pressure

Apply the water head pressure calculation to a head-loss computation. If you have to pump water to the fifth floor of an apartment building, and want to have 45-psi water pressure available to the occupants, you can determine the minimum pump pressure required at ground level.

www.calctool.org/CALC/other/games/depth_press

Note that this calc gives the total pressure (not just the pressure due to the water), so it includes the 1 atm ambient air pressure at sea level. Remember that the CalcTool units menu allows you to enter and output measurements convenient for you.

sciencing.com/calculate-water-pressure-tank-volume-6326635.html

Determine the water pressure at the bottom of a full cylinder on its side. When the radius is in feet, multiply the radius by 2 and then multiply the product by 0.4333 to get the water pressure in PSI.

docs.bluerobotics.com/calc/pressure-depth

Calculator. This calculator determines the water depth to reach or given pressure or the pressure at a given depth. You can enter the depth or pressure input with most common units and it will be converted automatically. This calculator does not add air pressure at the surface - the results are relative to the surface pressure.

www.dummies.com/education/science/physics/how-to-calculate-force-based-on-pressure

Pressure and force are related, and so you can calculate one if you know the other by using the physics equation, P = F/A. Because pressure is force divided by area, its meter-kilogram-second (MKS) units are newtons per square meter, or N/m2. In the foot-pound-second (FPS) system, the units are pounds per square inch, or psi.

www.reference.com/math/calculate-psi-dda49bc1e391737d

The psi, or pounds per square inch, is a unit of pressure (P) using the foot-pound-second (FPS) system. To calculate psi, divide the force applied (F) with the area (A). Measure the force applied. Use an instrument such as a force gauge, spring scale or strain gauge. Make sure that the unit is in pounds. Convert the value if necessary.

physics.stackexchange.com/questions/116854/water-pressure-calculation-for-a...

The pressure from the tank is based on the height of the tank. A tank on a 25' tower will supply at least 12.5 pounds per square inch. (we don't know the height of the surface of the water.) The 3/4 inch pipe has an area of .44 sq in. Thus the 3/4" pipe will have a pressure of 5.5 psi. The 2" pipe has an area of 3.15 sq in.

www.engineeringtoolbox.com/hydrostatic-pressure-water-d_1632.html

Pressure - Introduction to pressure - psi and Pa - online pressure units converter; Pressure acting on Underground Pipes - Pressure due to soil and transport ; Pressure Gradient Diagrams - A pressure gradient diagram is a graphical presentation of the static pressure throughout a fluid flow system

www.irrigationtutorials.com/gpm-psi-gravity-flow

The water pressure in PSI can be determined by multiplying 0.433 times the height (feet) of the tank above the yard. It’s that simple, don’t try to make it harder! It doesn’t matter if the tank is on the top of a cliff adjacent to the yard, or if the tank is a mile away on a hill.