Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types. You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. 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.Ĭonversion calculator for all types of measurement units. As you descend into the water, which is much denser than the atmosphere, you accumulate atmospheric pressure more quickly. As a result, it is much easier to measure atmospheric pressure in Bars than PSI, which is around 14.7 PSI to 1 ATM. The word bar is of Greek origin, báros meaning weight. 1 ATM is roughly equivalent to 1 Bar: 1.013 bar 1 ATM. 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). It is the pressure resulting from a force of one pound-force applied to an area of one square inch. The 75th percentile is selected so that developers can understand the most. 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. Above the distribution bars, PSI reports the 75th percentile for all metrics. Psi to Kilopascal Conversion Table Psi ġ5 psi = 15 × 6.8947572932 kPa = 103.You can do the reverse unit conversion fromīar to psi, or enter any two units below: Enter two units to convert From: A pressure measured in kilograms per square centimetre is converted into newtons per square millimetre as follows: 1 mbar 100 pascals (Pa) .76 pascals (Pa) mbar value x 100 Pa psi value x 6894.76 Pa. This is true of most countries, including the United States. To convert bar to psi, multiply the bar value by 14.5037738. The kilopascal is more prevalent in scientific contexts such as material science, engineering, and geophysics. 1 Bar is equal to 14.5037738 pound per square inch (psi). Task: Convert 75 psi to bars (show work) Formula: psi ÷ 14.5038 bar Calculations: 75 psi ÷ 14.5038 5.17106797 bar Result: 75 psi is equal to 5. 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. It is equal to 100,000 Pa and is slightly less than the atmospheric pressure on earth at the sea level. What is Bar Bar is a unit of pressure in the metric system but not in the SI system. 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 So to convert from PSI to bar multiply by this number. 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. 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. Convert 7.1 psi to bar PSI Check Answer Swap Units Bar Conversion of 7.1 PSI to Bar The conversion value of PSI and Bar is as follows. Definition: A pound-force per square inch (symbol: psi) is an imperial and US customary unit of pressure based on avoirdupois units. Bar 7.1 PSI / 14.504 0.4895bar So, we get 0.4895bar when 7.1 PSI is divided by 14.504.
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