![]() 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. Piston engine aircraft with constant-speed propellers also use inHg to measure manifold pressure, which is indicative of engine power produced.Ĭonversion calculator for all types of measurement units. The resulting altimeter readings are known as flight levels. Its specific values have different definitions. Atmospheres : The standard atmospheric (symbol: atm) is a unit of pressure which is a non-SI units. Psi : Psi is the abbreviation of pound per square inch, and is widely used in British and American. ![]() It is defined as the pressure exerted by a column of mercury of 1 inch in height at 32 ☏ (0 ☌) at the standard acceleration of gravity.Īircraft operating at higher altitudes (above 18,000 feet) set their barometric altimeters to a standard pressure of 29.92 inHg or 1,013.2 hPa (1 hPa = 1 mbar) regardless of the actual sea level pressure, with inches of mercury used in the U.S. 2.72184 Atmospheres (atm) Visit 40 Atmospheres to Psi Conversion. It is still widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere. Inches of mercury or inHg is a non-SI unit for pressure. It is the pressure resulting from a force of one pound-force applied to an area of one square inch. The of vacuum is a relative value where pressure at normal or standard atmosphere is the base value. Pounds per square inch to atm conversion chart 10 pounds per square inch 0.68 atm: 20 pounds per square inch 1.36 atm: 30 pounds per square inch 2.04 atm: 40 pounds per square inch 2.72 atm: 50 pounds per square inch 3.4 atm: 60 pounds per square inch 4.08 atm: 70 pounds per square inch 4.76 atm: 80 pounds per square inch 5.44. 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. 1 psi (lb/in 2 2) 6.895x10-3 N/mm 2 6.895x10-2 bar Download and print Vacuum Units Converter Chart. How many pounds-force per square inch in 6 atmospheres: If p atm 6 then p psi 88.175692789963 psi. ![]() How many pounds-force per square inch in an atmosphere: If p atm 1 then p psi 14.695948798327 psi. Inhg to psi, or enter any two units below: Enter two units to convert From: How to convert atmospheres to pounds-force per square inch atm to psi. Using the simple formula below, you can easily convert atm to pascal. Therefore, 10 atm equal to 1013250 pascals. For example, to convert 10 atm to pascal, you can use the following formula: pascal atm 101325. You can do the reverse unit conversion from To convert atm to pascal, multiply the atm value by 101325. ![]()
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