More pages related to measurement unit technical terms. Since atmospheric pressure is 14.696 psi - a column of air on a area of one square inch area from the Earth's surface to the space - weights 14.696 pounds. but is now replaced in almost every country except in the US by SI units.
Petapascals (PPa), Pounds Per Square Inch (psi), Terapascals (TPa), Torr. 1 atm 760 torr 14.696 psi 1.013 bar Pounds per square inch (psi) was commonly used in the U.K. Conversion units for the Pressure Converter. For example Convert 50 atm to psi .6959 psi 50 atm 734.797 psi What is psi The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2 abbreviation: psi) is a unit of pressure. Note that we also have an individual mmHg to atm converter available. 1 Atm 14.6959Psi For this conversion, simply multiply the value 14.6959. Use the pressure converter page to convert many different values to and from technical atmosphere units. Use this pressure converter to convert instantly between bars, gigapascals, kilopascals, millibars. To convert any pressure unit into Technical Atmospheres click on the relevant unit below. Technical Atmosphere is some times written as ‘ata’ which is the short way of writing ‘at absolute’.Įquivalent values for 1 at in other pressure units can be found in the list below.
However the unit has been largely phased out and the average atmospheric pressure is now mostly defined as 1 atm (101325 Pa) for weather and aviation or more coomonly 1 bar (100,000 Pa) for industrial and general purposes. The at pressure unit can be occasionally found on water resistant watches to indicate the maximum depth rating, particularly on European brands. 1 Technical Atmosphere is defined as being exactly equal to 98,066.5 pascals. Technical Atmosphere is similar although not the same value as the standard atmosphere pressure unit (atm) and both have been used historically to relate a pressure value to multiples of atmospheric pressure. A working pressure setting of most pressure cookers is 1 standard atmosphere or 15 psi.
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