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Encyclopedia > Mbar

A millibar (mbar, also mb) is 1/1000th of a bar, a unit for measurement of pressure. It is equivalent to 1 hPa. A bar (symbol bar) is a unit of pressure. ... In physics and metrology, units are standards for measurement of physical quantities that need clear definitions to be useful. ... Pressure is the application of force to a surface, and the concentration of that force in a given area. ... The pascal (symbol Pa) is the SI unit of pressure. ...


The millibar was introduced by Sir Napier Shaw in 1909, and internationally adopted in 1929. Sir Napier Shaw (March 4, 1854 - March 23, 1945), British meteorologist. ... 1909 was a common year starting on Friday (see link for calendar). ... 1929 was a common year starting on Tuesday (link will take you to calendar). ...


Unicode has a symbol for "mb": (㏔). In computing, Unicode provides an international standard which has the goal of providing the means to encode the text of every document people want to store on computers. ...


The millibar is not an SI unit of measure; however, it is still used locally in meteorology when describing atmospheric pressure. The SI unit is the pascal (Pa), with 1 mbar = 100 Pa = 1 hPa = 0.1 kPa. Meteorologists worldwide have long measured air pressure in millibars. After the introduction of SI units, many preferred to preserve the customary pressure figures. Therefore, some continue to use millibars under their own name, most others use hPa which are equivalent to millibars and they could stick to the same values. Similar pressures are given in kilopascals in practically all other fields where the hecto prefix is hardly ever used. In Canadian weather reports, the normal is kPa. The International System of Units (abbreviated SI from the French phrase, Système International dUnités) is the most widely used system of units. ... The pascal (symbol Pa) is the SI unit of pressure. ... The pascal (symbol Pa) is the SI unit of pressure. ... The pascal (symbol Pa) is the SI unit of pressure. ... The pascal (symbol Pa) is the SI unit of pressure. ... The International System of Units (abbreviated SI from the French phrase, Système International dUnités) is the most widely used system of units. ... The pascal (symbol Pa) is the SI unit of pressure. ... The pascal (symbol Pa) is the SI unit of pressure. ...


Typical pressure

The average sea-level pressure is 1013.25 hPa (mbar) . This pressure decreases with increased altitude. The pascal (symbol Pa) is the SI unit of pressure. ...


See also


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