Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types. Also, explore many other unit converters or learn more about pressure unit conversions. You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. Free online pressure converter - converts between 53 units of pressure, including pascal Pa, kilopascal kPa, bar, psi psi, etc. 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. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher. What is Psi 1 kilopascals (kpa) is equal to 0.1450377377 pound-force per square inch (psi) 1 pound-force per square inch (psi) is equal to 6.894757294604437. The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. ![]() The definition of a pascal is as follows: The SI prefix "kilo" represents a factor of PSI to kPa, or enter any two units below: Enter two units to convert From: Express this pressure in atmospheres, kilopascals, torrs, pounds per square inch, and pascals. Psi to Kilopascal Conversion Table Psi ġ5 psi = 15 × 6.8947572932 kPa = 103.You can do the reverse unit conversion from 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. 0.14504 Psi (Psi) Visit Psi to Kilopascal Conversion Kilopascal : The kilopascal (symbol:kPa) is a non-SI unit for pressure, and is a x1000 multiple of the Pascal unit. 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 Kilopascalĭefinition: 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. The formula to convert from kPa to psi is: psi kPa 6.89475729 Conversion Example Next, let's look at an example showing the work and calculations that are involved in converting from kilopascals to pounds per square inch (kPa to psi). 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. The symbol of psi is 'lbf/in2' and abbreviated as 'psi'. ![]() It is measuring unit of pressure & stress in Imperial and US customary measuring system. One kilopascal is equal to 1000 pascal and 0.1450377377 psi. 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. Kpa is measuring unit of pressure in the metric system. ![]() 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. 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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