![]() ![]() So, to convert directly from bar to pounds per square inch, you multiply by 14.503774. Or, you can find the single factor you need by dividing the A factor by the B factor.įor example, to convert from bar to pounds per square inch you would multiply by 100000 then divide by 6894.757. To convert among any units in the left column, say from A to B, you can multiply by the factor for A to convert A into Pascals then divide by the factor for B to convert out of Pascals. To convert from Pa into units in the left columnĭivide by the value in the right column or, multiply by the reciprocal, 1/x.ĥ00000 Pa / 100000 = 5 bar Multiply by the conversion value in the right column in the table below.ĥ bar * 100000 = 500000 Pa 1 hPa 0.0145037738 psi 1 psi 68.9475729318 hPa. To simply convert from any unit into pascals, for example, from 5 bar, just Where S is our starting value, C is our conversion factor, and How to Convert Units of PressureĬonversions are performed by using a conversion factor. By knowing the conversion factor, converting between units can become a simple multiplication problem: Some are obvious, such as pounds per square inch, but even the SI standard Pascal is actually an expression of one Newton per square meter. Since pressure is derived from force and area, many units for pressure directly relate force to area. This conversion tool will convert a measurement of leakage rate (Q L) for a gas filled or a vacuum sealed volume into the following leak rate units: standard cubic centimetres per minute (atmcm/min, sccm) micron of mercury cubic feet per minute (Hgft/min, Hgcfm) Leakage rate is a measure of the pressure change due to a leak. 002 strain offset line intersects the stress-strain curve at approximately 400 MPa (58,000 psi). ![]() Where P is equal to pressure, F is the normal force and A is area. 6 : Torr: 3000400 : M圜alcu 400 MPa to Pa Conversion Calculator. ![]() Kilopascal to Psi Conversion Table Kilopascal ġ5 kPa = 15 × 0.1450377377 psi = 2.Pressure is a scalar quality reflecting how force acts on a surface. 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 system is believed to have come into use in England around 1300 and was used in the international wool trade. 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. Pound-force per square inchĭefinition: A pound-force per square inch (symbol: psi) is an imperial and US customary unit of pressure based on avoirdupois units. This is true of most countries, including the United States. The kilopascal is more prevalent in scientific contexts such as material science, engineering, and geophysics. Exceptions include certain countries that use either the imperial or United States customary systems of measurement, such as the United States, in which the unit of pound per square inch is more commonly used. In 1971, at the 14 th General Conference on Weights and Measures, the pascal was adopted as an SI derived unit of pressure.Ĭurrent use: The kilopascal is widely used worldwide in countries that have adopted SI. The kilopascal is simply a multiple of the pascal, as is common within SI. History/origin: The unit, pascal, is named after Blaise Pascal, a French mathematician and physicist. A kilopascal is defined as 1,000 Pa, where 1 Pa is defined as the pressure exerted by a 1 newton force applied perpendicularly to an area of one square meter, expressed as 1 N/m 2 or 1 kg/m 1 pascals 0.000145 pounds per square inch Formula pascals in pounds per. The user must fill one of the two fields and the conversion will become automatically. 1 pascal 0.000145 pounds per square inch. This tool converts pascals to pounds per square inch (pa to psi) and vice versa. Definition: A kilopascal (symbol: kPa) is a multiple of the pascal (Pa), an SI (International System of Units) derived unit of pressure used to measure internal pressure, Young's modulus, stress, and ultimate tensile strength. On Earth, standard atmospheric pressure is 101325 Pa. ![]()
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