Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types. You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.Ĭonversion calculator for all types of measurement units. The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) is a unit of pressure or of stress based on avoirdupois units. Using CMMS Software allows maintenance of ordinary air pressure is essential to human health and well-being, the body is perfectly suited to the ordinary pressure of the atmosphere, and if that pressure is altered significantly, a person may experience harmful or even fatal side-effects.You can do the reverse unit conversion fromįoot water to psi, or enter any two units below: Enter two units to convert From: Result : 1 Foot Water (60F) 0. Pressure plays a number of important roles in daily life, among them its function in the operation of pumps and hydraulic presses. Psi : Pound/Square Inch : Pressure Conversion Calculator. The term pressure gauge is commonly applied to the other instruments used for measuring pressure. 1 Psi (Psi) 1 Pound/Square Inch (lb/in²) Visit Pound/Square Inch to Psi Conversion. Hence the pressure indicated by the instrument is therefore called absolute pressure. The instrument for measuring atmospheric pressure, the barometer is calibrated to read zero when there is a complete vacuum. At sea level, atmospheric pressure is approximately 1013 mb. Meteorologists, scientists who study weather patterns, use the millibar (mb) which is equal to 0.001 bars. There are also two other specialized units of pressure measurement in the SI system: the Bar, equal to 105 Pa and the Torr, equal to 133 Pa. In English units, this is equal to 14.7 lbs/in2, and in SI units to 1.013 x 105 Pa i.e 101300 Pa. 2) Conversion from psi to feet of water column equivalent: 15 psi x 2.30666 ft/psi 34.5999 ft head Therefore, subtract 34.5999 ft from your Levelogger data 3) Manual Barometric Compensation: Where the uncompensated Levelogger 5 data is a water level of 41.1700 ft, from the calculations above, the manual compensation would be: (41. This is equal to 6.89 x 103 Pa or 6890 Pa.Īnother important measure of pressure is the atmosphere (atm), which the average pressure exerted by air at sea level. Therefore, o ne foot of head is equal to. 433 pounds per square inch will support a column of water 1 inch square by 1 foot high. Therefore, one pound of pressure per square i nch (PSI) is equal to 2.31 feet of head. In the English or British system, pressure is measured in terms of pounds per square inch, abbreviated as lbs/in2. A column of water 1 inch square by 2.31 feet high weighs 1 pound. We can define 1 psi as the pressure due to a force of one pound-force applied on an area of one square inch. Thus a Pascal is equal to the pressure of 1 newton over a surface area of 1 square meter. PSI or pounds per square inch is a unit of pressure. The principle SI unit is called a pascal (Pa) or 1 N/m2.Ī Newton (N), the SI unit of force, is equal to the force required to accelerate 1 kilogram of mass at a rate of 1 meter per second squared. In force i.e in other words, if the surface becomes smaller, the pressure becomes larger, and vice versa. One interesting consequence of this ratio is the fact that pressure can increase or decrease without any change Where F is the force and A the surface area. When a force is applied perpendicular to a surface area, it exerts pressure on that surface equal to the ratio of F to A, Pressure is the force over an area applied on an object in a direction perpendicular to the surface, denoted by symbol P. Enter value and select a conversion from the buttonsĮnter your search terms Submit search form
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