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This calculator does not add air pressure at the surface the results are relative to the surface pressure. You can enter the depth or pressure input with most common units and it will be converted automatically. 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. Calculator This calculator determines the water depth to reach a given pressure or the pressure at a given depth. 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. Its official symbol is "bar" the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars. The word bar is of Greek origin, báros meaning weight. The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). Psi to bars, or enter any two units below: Enter two units to convert From:
Meteorologists and weather reporters worldwide often use this unit for convenience, since working in pascals would result in much larger values.ġ5 psi = 15 × 0.0689475729 bar = 1.You can do the reverse unit conversion from Millibars (symbol: mb) are also commonly used when referencing atmospheric air pressure, where atmospheric pressure equals 1013.25 mbar (101.325 kPa). The International Bureau of Weights and Measures has specified the bar as a unit that authors should have the freedom to use but has chosen not to include the bar in the list of non-SI units accepted for use with SI. The term "bar" comes from the Greek word "baros," which means weight.Ĭurrent use: Although the bar is a metric unit of pressure, it is not accepted within the International System of Units (SI) and is even deprecated within certain fields. History/origin: The unit, bar, was introduced by Vilhelm Bjerknes, a Norwegian meteorologist who founded modern weather forecasting. 0.2 bar 2.9 psi: 0.3 bar 4.35 psi: 0.4 bar 5.8 psi: 0.5 bar 7.25 psi: 0.6 bar 8.7 psi: 0.7 bar 10.15 psi: 0.8 bar 11.6 psi: 0.9 bar 13.05 psi: 1 bar 14.5 psi: 1. Wenn du bar in psi umrechnen willst, kannst du das mit dem bar in psi-Rechner machen. It is equal to 0.987 atmospheres (101,325 Pa), the unit often used as a reference of standard pressure. psi 0,0689475729 bar Multipliziere einen psi-Wert mit 0,0689475729 um von psi in bar umzurechnen. Barĭefinition: A bar (symbol: bar) is a metric unit of pressure that is defined as exactly 100,000 pascals (symbol: Pa). Although the pascal is more widely used in scientific contexts, psi is more often used in everyday contexts, particularly in countries like the United States as well as others under the US customary or imperial systems of units. As such, the prototype pound at the time was known as the avoirdupois wool pound.Ĭurrent use: The psi is fairly widely used to measure numerous pressures, such as tire pressure, scuba tank pressure, natural gas pipeline pressure, among others. The valve’s soft seat design provides bubble tight sealing, repeatable pop-off, and reseat capability.
#3 6 psi in bar series#
The system is believed to have come into use in England around 1300 and was used in the international wool trade. Parker Autoclaves RVS Series relief valves provide reliable venting of gases for set pressures from 1,500 psi (103 bar) to 20,000 psi (1378 bar). It is based on the avoirdupois system, a system that uses weights in terms of the avoirdupois pound, which was standardized in 1959. History/origin: Pound-force per square inch is a unit that originated in the imperial and US customary systems of units. One psi is approximately 6,895 pascals (N/m 2). It is defined as the pressure that results when a force of one pound-force is applied to a one-square-inch area. Definition: A pound-force per square inch (symbol: psi) is an imperial and US customary unit of pressure based on avoirdupois units.
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