Pound per square inch - Wikipedia
WEBThe pound per square inch (abbreviation: psi) or, more accurately, pound-force per square inch (symbol: lbf/in2), [1] is a unit of measurement of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force with magnitude of one pound-force applied to an area of one square inch. In SI units, 1 psi is approximately ...
What Is PSI? Definition of Unit - ThoughtCo
WEBJan 13, 2020 · PSI definition: PSI is a unit of pressure expressed in pounds of force per square inch of area. It stands for Pounds per Square Inch. 1 PSI = 6894 Pascals = 0.070 atmospheres = 51.715 torr
Pressure - Wikipedia
WEBPressure is the amount of force applied perpendicular to the surface of an object per unit area. The symbol for it is "p" or P. [2] The IUPAC recommendation for pressure is a lower-case p. [3] However, upper-case P is widely used.
Writing with SI (Metric System) Units - NIST
WEBJan 13, 2010 · Unit Symbols: Unit symbols are written in lowercase letters (m for the unit "meter" or s for the unit "second"). Exceptions include the unit "liter" (L) and those units derived from the name of a person.
Measurement unit conversion: psi - Convert Units
WEBThe 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. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.
PSI Converter - Omni Calculator
WEBMar 14, 2024 · PSI, or pounds per square inch, is a unit of pressure that measures the force applied over one square inch of area. One PSI is equivalent to the force exerted by one pound of force applied to an area of one square inch.
What Are the Units of Pressure? – Materials Science & Engineering
WEBJun 2, 2021 · The SI unit for pressure is pascals (Pa). Other units of pressure include torr, barr, atm, at, ba, psi, and manometric units like mm Hg and fsw. The Pa is defined as 1 newton per square meter.
Pressure Definition in Science
WEBJan 20, 2022 · Typical symbols for pressure are P or p. The International Union of Pure and Applied Chemistry (IUPAC) recommends the lowercase letter, but you actually see the capital letter in most formulas in physics, chemistry, and engineering. Units of Pressure. Pressure is a derived unit of measurement.
Units of Pressure Measurement - Control and Instrumentation
WEBThe SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N/m 2). The SI adopted the name pascal as the unit of pressure in 1971. When indicated, the zero reference is stated in parenthesis following the unit, for example 101 kPa (abs).
Psi: Unit Conversion & Definition ― JustinTOOLs.com
WEBSymbol/abbreviation: psi. Unit of: PRESSURE. PRESSURE's base unit: pascals (Non-SI Unit) In relation to the base unit (pascals), 1 Psi = 6894.7572932 pascals.