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. It is approximately equal to Earth's atmospheric pressure at sea level.Ĭonversion calculator for all types of measurement units. It is sometimes used as a reference pressure or standard pressure. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa (1.01325 bar). This small difference is negligible for most applications outside metrology. Both approaches will give you the correct solution. meter kgf/m, kilopascal kPa, millibar, millimeter. The second option is to multiple mmHg by 0.0013157894736842. Automatic calculator to convert pressure units, atmosphere atm, bar b, hectopascal hPa, kilogram force per sq. The first option is to divide mmHg by 760, which is the number of mmHg in 1 atm. The difference between one millimeter of mercury and one torr, as well as between one atmosphere (101.325 kPa) and 760 mmHg (101.3250144354 kPa), is less than one part in seven million (or less than 0.000015%). You have two conversion options to convert millimeters of mercury (mmHg) to standard atmospheres (atm). The relationship between the torr and the millimeter of mercury is: The decimal form of this fraction is approximately 133.322368421. Therefore, 1 Torr is equal toġ01325/760 Pa. The torr is defined as 1/760 of one standard atmosphere, while the atmosphere is defined as 101325 pascals. The millimeter of mercury by definition is 133.322387415 Pa (13.5951 g/cm3 × 9.80665 m/s2 × 1 mm), which is approximated with known accuracies of density of mercury and standard gravity. You can do the reverse unit conversion fromĪtm to mm Hg, or enter any two units below: Enter two units to convert From:
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