![]() ![]() The pascal is the SI unit for measuring pressure. The following list shows each pressure unit and its equivalent value converted into pascals (Pa). E/P & P/E conversion for voltage and pneumatic signal control instrumentation.I/P & P/I conversion for current and pneumatic signal control instrumentation.Altitude to pressure conversion from feet or metres to mbar, psi, mmHg & inHg.Vacuum conversion for % vac, mbar, hPa, psi, inHg, mmHg & Torr.Barometric conversion for mbar, hPa, psi, inHg, mmHg & Torr.Tyre pressure conversion for cars, trucks, cycles, motorbikes or aircraft.Conversion TablesĬhoose a look up table for a specific pressure conversion application. Conversion GuideĬonvert pressure units with the pressure unit converting tool, look up a conversion from the tables, identify a pressure unit and its group association with other pressure units, or find the relevant pressure conversion factor in pascals. You can also copy and paste values into this converter, after pasting a value, click or touch the input box to convert the value. The conversion will show in the lower answer box.Select the units to convert to, from the lower shortcut buttons or pull down options.Select the corresponding units from the upper shortcut buttons or pull down options.Enter the value you want to convert in the upper input box.This converter and dynamic conversion scale will calculate the equivalent pressure value from one pressure measurement unit to another and generate a conversion table based on the selected units. ![]() Units derived from ‘pascal’ the SI unit for pressure.Kilopascal to Psi Conversion Table Kilopascal ġ5 kPa = 15 × 0.1450377377 psi = 2. 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 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. ![]()
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