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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.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).

sciencing.com/calculate-pounds-per-square-foot-5630769.html

Divide force by area to calculate the pressure exerted. Continuing with the example, divide the elephant's 5,940 lbs by 3.14 square feet to calculate the pressure of 1,891 pounds per square foot. Divide the little girl's 55 lbs by 0.0009 to calculate her pressure of 61,111 pounds per square foot.

www.thecalculatorsite.com/conversions/pressure.php

Use this pressure converter to convert instantly between bars, gigapascals, kilopascals, millibars, newtons per square meter, pounds per square inch and other metric and imperial pressure units.

www.inchcalculator.com/convert/pressure

Pressure is commonly measured in pascals or pounds per square inch, PSI. Pressure equals force applied divided by the area of the object, ie. p = F / A. Static fluid pressure can also be found by multiplying fluid density times height, times gravity, ie.

en.wikipedia.org/wiki/Pounds_per_square_inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in 2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.In SI units, 1 psi is approximately equal to 6895 N/m 2.. Pounds per square inch absolute (psia) is used to make it clear ...

www.inchcalculator.com/convert/pound-per-square-inch-to-pound-per-square-foot

The pound per square inch is a US customary and imperial unit of pressure. A pound per square inch is sometimes also referred to as a pound-force per square inch. Pounds per square inch can be abbreviated as psi, for example 1 pound per square inch can be written as 1 psi. PSI can be expressed using the formula: 1 psi = 1 lbf in 2

www.sensorsone.com/psi-pounds-per-square-inch-pressure-unit

Pounds or pound force per square inch (psi, lb/in², pfsi or lbf/in²) is a widely used British and American unit of measure for pressure. 1 psi equals 6,894.76 pascals. In the USA the PSI pressure unit is the pimary unit of measure for pressure and almost all pressure instruments are specified and display in pounds per square inch.

www.checkyourmath.com/convert/pressure/psi_megapascals.php

The following is a list of definitions relating to conversions between psi and megapascals. What is pounds per square inch (psi)? Pounds per square inch (or pound-force per square inch) is a non-SI unit of Pressure.The symbol for pounds per square inch is psi or lbf/in 2.There are 145.0377 psi in a megapascal.